Patents by Inventor Yutaka Imai
Yutaka Imai 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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Publication number: 20100298178Abstract: The invention provides a lubricant composition capable of favorably preventing the members from causing hydrogen embrittlement-induced flaking when the members are operated under the conditions where the oil film is thin (namely, the metal surfaces considerably come in contact with each other). The lubricant composition used for lubricating the steel mechanical members operated by a rolling motion or rolling-sliding motion is characterized by containing a base oil and additives, the additives including an organic sulfonate rust inhibitor and a load carrying additive.Type: ApplicationFiled: January 23, 2009Publication date: November 25, 2010Applicant: Kyodo Yushi Co., Ltd.Inventors: Toshiaki Endo, Junichi Imai, Yutaka Imai
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Publication number: 20100093567Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.Type: ApplicationFiled: April 24, 2007Publication date: April 15, 2010Applicant: KYODO YUSHI CO., LTD.Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
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Patent number: 7630124Abstract: A wavelength conversion device is disclosed. The wavelength conversion device includes at least a fundamental wave light source and an external resonator, where a reflectance Rin of an input coupling element that inputs light from the fundamental wave light source to the external resonator is selected as represented by the equations 1 and 2, when a frequency jitter of the fundamental wave light source is ?fjitter, a resonator length of the external resonator is Lcav, a frequency line width of the external resonator is ??cav, a total internal loss of the external resonator is ?, and a speed of light is c.Type: GrantFiled: June 19, 2007Date of Patent: December 8, 2009Assignee: Sony CorporationInventors: Yusuke Tamaki, Masashi Oshima, Yutaka Imai
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Publication number: 20090261011Abstract: A medication managing apparatus includes a medicine package case and a main body unit removably storing the medicine package case. The medicine package case includes blocks each storing a medicine package, openings provided at walls of each block and formed at positions facing each other such that the medicine package stored in the block is sandwiched therebetween, and an openable/closable cover. The main body unit includes a sensor portion (a medicine package sensor) disposed corresponding to each opening at the opposing walls of each block, to sense a medicine package based on that the medicine package stored in the block blocks a gap between a pair of openings, and a switch lever and a micro-switch (a medicine package case sensor) sensing attachment/removal of the medicine package case to/from the main body unit.Type: ApplicationFiled: February 22, 2006Publication date: October 22, 2009Inventors: Yutaka Imai, Tomonori Inoue, Kiichiro Miyata, Takahide Tanaka, Akihisa Narai, Bunichiro Ohe, Yukitoshi Kurata
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Patent number: 7552912Abstract: A fluid pressure nut 16 has a first load supporting member 17 disposed in a flange 13a and a second load supporting member 18 axially movably attached to the first load supporting member 17, wherein the second load supporting member 18 is screw-connected to a bolt 15 in a screw hole 28. A pressure chamber is provided between the first load supporting member 17 and the second load supporting member 18, and a seal ring 44 is attached to an end portion of a pressure chamber 27. The seal ring 44 includes a first curve portion contacting with the first load supporting member 17, a second curve portion contacting with the second load supporting member 18, and a pressure receiving portion continuing into the first and second curve portions, wherein pressure applied to the pressure receiving portion is converted into axial-directional sealing forces of the curve portions.Type: GrantFiled: April 22, 2003Date of Patent: June 30, 2009Inventors: Atsushi Imai, Akira Imai, Yutaka Imai, Tatsuo Goda
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Publication number: 20090075471Abstract: A nonvolatile semiconductor memory device includes a semiconductor substrate, a first floating gate formed on a main surface of the semiconductor substrate, a second floating gate formed on the main surface of the semiconductor substrate, a first control gate formed on the first floating gate, a second control gate formed on the second floating gate, an interlayer insulating film, and a gap formed in the interlayer insulating film in at least a portion located between the first and second floating gates. Accordingly, a nonvolatile semiconductor memory device for which variations in threshold voltage of a memory cell can be suppressed and an appropriate read operation can be carried out, as well as a method of manufacturing the nonvolatile semiconductor memory device are provided. Further, a capacitance formed between interconnect lines can be reduced and the drive speed can be improved.Type: ApplicationFiled: November 10, 2008Publication date: March 19, 2009Applicant: RENESAS TECHNOLOGY CORP.Inventors: Yutaka IMAI, Tatsuya Fukumura, Toshiaki Omori, Yutaka Takeshima
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Publication number: 20090046351Abstract: A wavelength conversion device is disclosed. The wavelength conversion device includes at least a fundamental wave light source and an external resonator, where a reflectance Rin of an input coupling element that inputs light from the fundamental wave light source to the external resonator is selected as represented by the equations 1 and 2, when a frequency jitter of the fundamental wave light source is ?fjitter, a resonator length of the external resonator is Lcav, a frequency line width of the external resonator is ??cav, a total internal loss of the external resonator is ?, and a speed of light is c.Type: ApplicationFiled: June 19, 2007Publication date: February 19, 2009Applicant: SONY CORPORATIONInventors: Yusuke Tamaki, Masashi Oshima, Yutaka Imai
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Publication number: 20090043605Abstract: When the present time of a clock circuit is a medication time recorded in advance in a SD card, a notice that the medication time has come is given by a voice output portion or the like. Presence/absence of a medicine package in each block of a medicine package case is sensed by a medicine package sensor. The time point and the presence/absence of the medicine package are recorded in the SD card. A notice corresponding to the presence/absence is output. At a time except for the medication time, taking-out of the case, opening/closing of the cover, taking-out and return of the medicine package are recorded in the SD card based on detection signals from the medicine package sensor, medicine package case sensor, and case cover opening/closing sensor.Type: ApplicationFiled: February 22, 2006Publication date: February 12, 2009Applicants: Yutaka IMAI, OMRON HEALTHCARE CO., LTD.Inventors: Yutaka Imai, Tomonori Inoue, Kenji Eda, Takahide Tanaka
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Patent number: 7482915Abstract: A center panel is closer to a viewer in the viewing direction than a speedometer A is and overlapped with the speedometer. The center panel includes an attachment portion extending from a rear side of the center panel towards a dial plate of the speedometer. The center panel is fixed to a printed circuit board of the speedometer via the attachment portion. Accordingly, when a combination meter is viewed, the attachment portion is concealed rearward of the center panel to be invisible. The center panel looks floating separately from the speedometer towards a viewer, which provides a combination meter having excellent visibility and aesthetic cosmetic appearance. Thus, a vehicular display device having excellent visibility and aesthetic cosmetic appearance can be provided by improving a method for supporting a displaying unit on a pointer instrument.Type: GrantFiled: August 29, 2006Date of Patent: January 27, 2009Assignees: DENSO CORPORATION, Toyota Jidosha Kabushiki KaishaInventors: Minoru Sumiya, Shoji Kurikawa, Yoshinori Araki, Yutaka Imai, Yoshiyuki Muramatsu
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Publication number: 20090016652Abstract: The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition.Type: ApplicationFiled: September 29, 2008Publication date: January 15, 2009Inventors: Toshiaki ENDO, Da Ming Dong, Yutaka Imai
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Patent number: 7462905Abstract: A nonvolatile semiconductor memory device includes a semiconductor substrate, a first floating gate formed on a main surface of the semiconductor substrate, a second floating gate formed on the main surface of the semiconductor substrate, a first control gate formed on the first floating gate, a second control gate formed on the second floating gate, an interlayer insulating film, and a gap formed in the interlayer insulating film in at least a portion located between the first and second floating gates. Accordingly, a nonvolatile semiconductor memory device for which variations in threshold voltage of a memory cell can be suppressed and an appropriate read operation can be carried out, as well as a method of manufacturing the nonvolatile semiconductor memory device are provided. Further, a capacitance formed between interconnect lines can be reduced and the drive speed can be improved.Type: GrantFiled: July 31, 2006Date of Patent: December 9, 2008Assignee: Renesas Technology Corp.Inventors: Yutaka Imai, Tatsuya Fukumura, Toshiaki Omori, Yutaka Takeshima
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Publication number: 20080297604Abstract: Disclosed herein is a test pattern signal generator for outputting a video signal adapted to display, on a display device, a test pattern of a color chart according to a standard for a first color gamut and a color chart of a test pattern according to a standard for a second color gamut which is wider than the first color gamut, the test pattern signal generator including: a color chart recording section configured to record color chart information of the standard for the first color gamut and color chart information of the standard for the second color gamut; and a test pattern signal generation section configured to generate, based on the information recorded in the color chart recording section, a video signal adapted to display test patterns in which the color charts according to the respective standards are arranged in a predetermined layout on the same screen.Type: ApplicationFiled: May 30, 2008Publication date: December 4, 2008Applicant: Sony CorporationInventors: Yutaka Imai, Naoya Katoh
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Publication number: 20080259370Abstract: Disclosed herein is an image signal processor for carrying out conversion into an xvYCC signal by using a photograph film as a material, the image signal processor including: acquisition means for acquiring print film concentration data based on said photograph film; generation means for generating spectral data on an image on a screen previously presumed based on spectral concentration characteristics of colors of a positive film having an image projected on said screen, a spectral distribution of a projection light source, and the print film concentration data; arithmetical operation means for arithmetically operating an XYZ tri-stimulus value corresponding to the spectral data; and conversion means for converting the XYZ tri-stimulus value into the xvYCC signal.Type: ApplicationFiled: April 10, 2008Publication date: October 23, 2008Applicant: SONY CORPORATIONInventors: Tatsuhiko Matsumoto, Yutaka Imai, Takehiro Nakatsue
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Publication number: 20070205440Abstract: A semiconductor device comprises a floating gate which is formed on a semiconductor substrate of a first conductive type interposing a first gate insulation layer therebetween, a second charge retaining area which is formed on the semiconductor substrate interposing a second insulation layer, a control gate which is formed on the floating gate interposing a second gate insulation layer therebetween, a second gate electrode which extends in the first direction and which is formed on the second charge retaining region interposing the second gate insulation layer therebetween, and a semiconductor layer which extends in a second direction and which is formed on the semiconductor substrate so as to intersect the first and the second gate electrode are provided; wherein an n-type conductive region of a second conductive type is formed on the semiconductor layer. Consequently, it achieves high-integration of a semiconductor device.Type: ApplicationFiled: December 19, 2006Publication date: September 6, 2007Inventors: Takashi Ishigaki, Taro Osabe, Takashi Kobayashi, Yutaka Imai, Masahiro Shimizu
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Publication number: 20070178674Abstract: A laser annealing device (10) includes a laser oscillator (12), radiating a pulsed laser light beam of a preset period, and an illuminating optical system (15) for illuminating a pulsed laser light beam to an amorphous silicon film (1). The illuminating optical system (15) manages control for moving a laser spot so that a plural number of light pulses will be illuminated on the same location on the amorphous silicon film (1). The laser oscillator (12) radiates a laser light beam of a pulse generation period shorter than the reference period. The reference period is a time interval as from the radiation timing of illumination of a pulsed laser light beam on the surface of the film (1) until the timing of reversion of the substrate temperature raised due to the illumination of the laser light beam to the original substrate temperature.Type: ApplicationFiled: March 23, 2007Publication date: August 2, 2007Applicant: SONY CORPORATIONInventors: Yutaka Imai, Nobuhito Umezu, Akihiko Asano, Shin Hotta, Koichi Tatsuki, Atsushi Fukumoto, Shigeo Kubota
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Patent number: 7212559Abstract: An optical resonator includes a first substrate and a second substrate which face each other, the first substrate having a flat main surface on which a first reflective mirror is provided and the second substrate having a concave portion on which a second reflective mirror is provided and a flat portion which surrounds the concave portion. The main surface of the first substrate and the flat portion of the second substrate are bondable. In addition, a laser oscillator includes a solid-state laser medium and a substrate, the solid-state laser medium having a main surface on which a first reflective mirror is provided and the substrate having a concave portion on which a second mirror is provided and a flat portion which surrounds the concave portion. The first and the second reflective mirrors serve as a laser resonator.Type: GrantFiled: February 27, 2004Date of Patent: May 1, 2007Assignee: Sony CorporationInventors: Kazuya Hayashibe, Masayuki Morita, Tatsuo Fukui, Yutaka Imai
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Publication number: 20070063256Abstract: A nonvolatile semiconductor memory device includes a semiconductor substrate, a first floating gate formed on a main surface of the semiconductor substrate, a second floating gate formed on the main surface of the semiconductor substrate, a first control gate formed on the first floating gate, a second control gate formed on the second floating gate, an interlayer insulating film, and a gap formed in the interlayer insulating film in at least a portion located between the first and second floating gates. Accordingly, a nonvolatile semiconductor memory device for which variations in threshold voltage of a memory cell can be suppressed and an appropriate read operation can be carried out, as well as a method of manufacturing the nonvolatile semiconductor memory device are provided. Further, a capacitance formed between interconnect lines can be reduced and the drive speed can be improved.Type: ApplicationFiled: July 31, 2006Publication date: March 22, 2007Inventors: Yutaka Imai, Tatsuya Fukumura, Toshiaki Omori, Yutaka Takeshima
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Publication number: 20070051101Abstract: A fluid pressure nut 16 has a first load supporting member 17 disposed in a flange 13a and a second load supporting member 18 axially movably attached to the first load supporting member 17, wherein the second load supporting member 18 is screw-connected to a bolt 15 in a screw hole 28. A pressure chamber is provided between the first load supporting member 17 and the second load supporting member 18, and a seal ring 44 is attached to an end portion of a pressure chamber 27. The seal ring 44 includes a first curve portion contacting with the first load supporting member 17, a second curve portion contacting with the second load supporting member 18, and a pressure receiving portion continuing into the first and second curve portions, wherein pressure applied to the pressure receiving portion is converted into axial-directional sealing forces of the curve portions.Type: ApplicationFiled: April 22, 2003Publication date: March 8, 2007Inventors: Atsushi Imai, Akira Imai, Yutaka Imai, Tatsuo Goda
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Publication number: 20060290486Abstract: A center panel is closer to a viewer in the viewing direction than a speedometer A is and overlapped with the speedometer. The center panel includes an attachment portion extending from a rear side of the center panel towards a dial plate of the speedometer. The center panel is fixed to a printed circuit board of the speedometer via the attachment portion. Accordingly, when a combination meter is viewed, the attachment portion is concealed rearward of the center panel to be invisible. The center panel looks floating separately from the speedometer towards a viewer, which provides a combination meter having excellent visibility and aesthetic cosmetic appearance. Thus, a vehicular display device having excellent visibility and aesthetic cosmetic appearance can be provided by improving a method for supporting a displaying unit on a pointer instrument.Type: ApplicationFiled: August 29, 2006Publication date: December 28, 2006Inventors: Minoru Sumiya, Shoji Kurikawa, Yoshinori Araki, Yutaka Imai, Yoshiyuki Muramatsu
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Publication number: 20060232986Abstract: A display device for a vehicle has a first display section for displaying measuring information, a second display section for displaying messages, a switching means for connecting the first display section and the second display section to a power source, and a control means for controlling displaying operations of the first display section and the second display section. When the switching means is turned on, the control means supplies an electric power to the second display section prior to the first display section.Type: ApplicationFiled: April 14, 2006Publication date: October 19, 2006Applicants: Denso Corporation, Toyota Jidosha Kabushiki KaishaInventors: Tomoyuki Miyagaki, Yutaka Imai