Patents by Inventor Hiromasa Arai
Hiromasa Arai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12062681Abstract: The present technology relates to a solid-state imaging apparatus designed to improve sensitivity while preventing worsening of color mixing. A substrate, a plurality of photoelectric conversion regions provided in the substrate, a color filter provided on the upper side of the photoelectric conversion regions, a trench provided through the substrate and provided between the photoelectric conversion regions, and a recessed region including a plurality of recesses provided on the light-receiving surface side of the substrate above the photoelectric conversion regions are included. The color filter over adjacent two of the photoelectric conversion regions is of the same color. The number of the recesses of the recessed region is larger at a high image height than at an image height center. The present technology can be applied to, for example, a back-illuminated solid-state imaging apparatus etc.Type: GrantFiled: March 30, 2020Date of Patent: August 13, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Tomoki Kurose, Tomoyuki Arai, Hiromasa Saito, Shinji Nakagawa, Junji Hayafuji, Hirofumi Yamada
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Patent number: 9818657Abstract: A first etching rate of the first conductive film is calculated by acquiring correlation between an opening ratio of an etching mask and an etching rate of an etching target film, and then, performing a first dry etching to a first conductive film formed on a first wafer. Next, a second etching mask is formed on a second conductive film formed on a second wafer, and an etching time of the second conductive film is determined from the correlation between the opening ratio and the etching rate, the first etching rate, and a film thickness of the second conductive film when the second conductive film is subjected to a second dry etching in time-controlled etching.Type: GrantFiled: June 21, 2013Date of Patent: November 14, 2017Assignee: Renesas Electronics CorporationInventors: Keiji Okamoto, Kazuyuki Ozeki, Hiromasa Arai
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Publication number: 20160148851Abstract: A first etching rate of the first conductive film is calculated by acquiring correlation between an opening ratio of an etching mask and an etching rate of an etching target film, and then, performing a first dry etching to a first conductive film formed on a first wafer. Next, a second etching mask is formed on a second conductive film formed on a second wafer, and an etching time of the second conductive film is determined from the correlation between the opening ratio and the etching rate, the first etching rate, and a film thickness of the second conductive film when the second conductive film is subjected to a second dry etching in time-controlled etching.Type: ApplicationFiled: June 21, 2013Publication date: May 26, 2016Applicant: Renesas Electronics CorporationInventors: Keiji OKAMOTO, Kazuyuki OZEKI, Hiromasa ARAI
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Publication number: 20120153815Abstract: A material for an organic electroluminescence device having the formula: wherein Ar1 and Ar3 each independently represent a substituted or unsubstituted phenylene group, X5 represents a substituted or unsubstituted naphthyl group or a substituted or unsubstituted phenanthryl group, X6 represents a substituted or unsubstituted phenyl group, and X7 and X8 each independently represent a substituted or unsubstituted biphenyl group or a substituted or unsubstituted terphenyl group. An organic electroluminescence device having (i) a light emitting layer, or (ii) a plurality of thin films of organic compounds having a light emitting layer, disposed between a pair of electrodes, wherein at least one of the thin films of organic compounds is a layer containing the material having the formula above.Type: ApplicationFiled: January 31, 2012Publication date: June 21, 2012Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Publication number: 20110175521Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d?0; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.Type: ApplicationFiled: April 4, 2011Publication date: July 21, 2011Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Publication number: 20100160687Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d?0; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.Type: ApplicationFiled: December 14, 2009Publication date: June 24, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio HOSOKAWA, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Publication number: 20090299512Abstract: In the manufacturing system and the manufacturing method of a semiconductor device using a plasma treatment apparatus, a plasma treatment condition is controlled so that a desired shape is obtained after the plasma processing by using a processing shape prediction model for calculating the shape after the plasma processing from the inspection data of a wafer to be treated prior to the treatment and a response surface model for calculating the processing shape depending on a plasma treatment condition. In this configuration, the processing shape prediction model has an adjustable prediction model coefficient, and this prediction model coefficient is automatically calibrated.Type: ApplicationFiled: May 21, 2009Publication date: December 3, 2009Applicant: RENESAS TECHNOLOGY CORP.Inventors: Junichi TANAKA, Masaru KURIHARA, Masaru IZAWA, Hiromasa ARAI, Yoichi NAKAHARA, Takahiro MARUYAMA, Nobuo FUJIWARA
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Publication number: 20090243473Abstract: An organic electroluminescent device, including: a cathode; an anode; and organic layers including at least an emitting layer and an electron-transporting layer between the cathode and the anode, the electron-transporting material with the slowest electron mobility constituting the electron-transporting layer having an electron mobility of 2.0×10?5 cm2/Vs or more in an electric field intensity of 0.4 to 0.5 MV/cm, the electron mobility/hole mobility (?EM) of a host material constituting the emitting layer, and the electron mobility/hole mobility (?ET) of the electron-transporting material with the slowest electron mobility constituting the electron-transporting layer satisfying the following relationship: ?ET>1, 0.3??EM?10, and ?ET>?EM.Type: ApplicationFiled: July 26, 2007Publication date: October 1, 2009Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Toshihiro Iwakuma, Takashi Arakane, Hiromasa Arai, Hideaki Nagashima
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Publication number: 20080193799Abstract: The novel compound of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. The organic electroluminescence device of the present invention comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above novel compound. The novel compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish-light having excellent purity of color and the organic electroluminescence device comprises the novel compound and exhibits the same advantageous properties.Type: ApplicationFiled: March 31, 2008Publication date: August 14, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Patent number: 7361796Abstract: A compound having a diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. An organic electroluminescence device comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above compound. The compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the compound and exhibits the same advantageous properties.Type: GrantFiled: December 1, 2005Date of Patent: April 22, 2008Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Publication number: 20070142671Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d?0; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.Type: ApplicationFiled: January 18, 2007Publication date: June 21, 2007Applicant: Idemitsu Kosan Co., LtdInventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Patent number: 7122256Abstract: Novel styryl compounds represented by the following general formulae (1) and (2): wherein R1 to R10 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, an aryl group, an aryloxyl group, a condensed polycyclic group, a heterocyclic group, amino group, an alkylamino group, an arylamino group, cyano group, nitro group, hydroxyl group or a halogen atom, adjacent groups among groups represented by R1 to R10 may be bonded to each other and form a saturated or unsaturated carbon ring, and A, B, C, D, A?, B?, C? and D? each independently represent a substituted or unsubstituted alkyl group or aryl group having a specific structure; and an organic electroluminescence device comprising a film of organic compounds comprising at least a light emitting layer, wherein at least one of the layers of the film of organic compounds comprises the novel styryl compound.Type: GrantFiled: August 31, 2001Date of Patent: October 17, 2006Assignee: Idemitsu Kosan Co., Ltd.Inventors: Masakazu Funahashi, Hiromasa Arai, Chishio Hosokawa
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Publication number: 20060189828Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d?0; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.Type: ApplicationFiled: February 1, 2006Publication date: August 24, 2006Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Patent number: 7053255Abstract: A compound having a of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. An organic electroluminescence device comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above compound. The compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the compound and exhibits the same advantageous properties.Type: GrantFiled: November 2, 2001Date of Patent: May 30, 2006Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Publication number: 20060083947Abstract: The novel compound of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. The organic electroluminescence device of the present invention comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above novel compound. The novel compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the novel compound and exhibits the same advantageous properties.Type: ApplicationFiled: December 1, 2005Publication date: April 20, 2006Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Publication number: 20050238912Abstract: Novel styryl compounds represented by the following general formulae (1) and (2): wherein R1 to R10 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, an aryl group, an aryloxyl group, a condensed polycyclic group, a heterocyclic group, amino group, an alkylamino group, an arylamino group, cyano group, nitro group, hydroxyl group or a halogen atom, adjacent groups among groups represented by R1 to R10 may be bonded to each other and form a saturated or unsaturated carbon ring, and A, B, C, D, A?, B?, C? and D? each independently represent a substituted or unsubstituted alkyl group or aryl group having a specific structure; and an organic electroluminescence device comprising a film of organic compounds comprising at least a light emitting layer, wherein at least one of the layers of the film of organic compounds comprises the novel styryl compound.Type: ApplicationFiled: November 30, 2004Publication date: October 27, 2005Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masakazu Funahashi, Hiromasa Arai, Chishio Hosokawa
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Patent number: 6951693Abstract: Materials for organic electroluminescence devices represented by following general formula [1]: wherein A represents a substituted or unsubstituted arylene group having 22 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by A has 26 or less carbon atoms, a+b+c+d>0 and the arylene group does not contain two or more anthracene nucleus; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsuType: GrantFiled: June 26, 2002Date of Patent: October 4, 2005Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Publication number: 20050038296Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: general formula [1] wherein A represents a chrysene group X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d?0; general formula [2] being: general formula [2] wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.Type: ApplicationFiled: April 1, 2004Publication date: February 17, 2005Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Publication number: 20040214035Abstract: The novel compound of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. The organic electroluminescence device of the present invention comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above novel compound. The novel compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the novel compound and exhibits the same advantageous properties.Type: ApplicationFiled: November 2, 2001Publication date: October 28, 2004Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
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Patent number: 6743948Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by B has 26 or less carbon atoms, a+b+c+d>0 and at least one of the groups represented by B, X1, X2, X3 and X4 has a chrysene nucleus; general formula [2] being:Type: GrantFiled: August 25, 2000Date of Patent: June 1, 2004Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda