Patents by Inventor Ryoji Maeda
Ryoji Maeda 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: 20240155084Abstract: A building entrance device (10B) of an intercom device includes a touch operable aerial display (100) for displaying an aerial image (G1, G2) toward a visitor (W1, W2), and a control unit (110). The touch operable aerial display (100) includes: a display device (101) for emitting light; an optical member (102) for reflecting and transmitting light so as to form the aerial image (G1, G2) in a predetermined space; and a detection unit (103) for detecting an operation input of the visitor (W1, W2) to the aerial image (G1, G2). The control unit (110) changes at least one from among a display position, a display angle of the aerial images (G1, G2), and a display mode of a call operation acceptance unit included in the aerial images (G1, G2).Type: ApplicationFiled: March 23, 2022Publication date: May 9, 2024Inventors: Kazuyuki MORITA, Yuya HINO, Hirokazu KUSUNOKI, Takayuki GOTO, Yu SHIMIZU, Ryoji MAEDA
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Patent number: 11903308Abstract: A compound of the following formula (1) and others. R1 to R24, R31 to R35, A1 and A2 are as defined in the specification, n is an integer of 0 to 3, when A1 is an (n+1)-valent residue of benzene, n is an integer of 1 or more, and when n is 0, (A2)0 is a hydrogen atom.Type: GrantFiled: September 2, 2019Date of Patent: February 13, 2024Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kei Yoshida, Masatoshi Saito, Ryoji Maeda, Masato Nakamura, Tetsuya Masuda
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Patent number: 11723266Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting layer, and a second emitting layer, in which the first emitting layer includes a first host material in a form of a first compound represented by a formula (1), the second emitting layer includes a second host material in a form of a second compound represented by a formula (2) and having at least one group represented by a formula (21), and the first emitting layer is in direct contact with the second emitting layer.Type: GrantFiled: September 10, 2020Date of Patent: August 8, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryoji Maeda, Satomi Tasaki, Kazuki Nishimura, Yongguk Lee
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Publication number: 20230047477Abstract: An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.Type: ApplicationFiled: October 16, 2019Publication date: February 16, 2023Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Satomi TASAKI, Taro YAMAKI, Hiroaki ITOI, Yuki NAKANO, Yuichiro KAWAMURA, Ryoji MAEDA, Kazuki NISHIMURA, Yongguk LEE
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Publication number: 20220393110Abstract: An organic electroluminescence device including: a cathode; an anode; and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and the first host material and the second host material are different compounds.Type: ApplicationFiled: December 25, 2020Publication date: December 8, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yongguk LEE, Ryoji MAEDA, Yuki NAKANO, Hiroaki ITOI
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Publication number: 20220384734Abstract: The compounds represented by formula (1): wherein Ar1, Ar2, m, n, L, R, are R1 to R4 are as defined in the description, provides organic electroluminescence devices having device performance further improved.Type: ApplicationFiled: August 19, 2020Publication date: December 1, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Tomokatsu KUSHIDA, Ryoji MAEDA, Masatoshi SAITO, Kei YOSHIDA
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Publication number: 20220376183Abstract: An organic electroluminescence device, comprising a cathode, an anode, and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and one or more selected from the group consisting of the compound represented by the formula (1) and the compound represented by the formula (2) have at least one deuterium atom.Type: ApplicationFiled: December 25, 2020Publication date: November 24, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yongguk LEE, Ryoji MAEDA, Yuki NAKANO, Hiroaki ITOI
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Publication number: 20220348522Abstract: An organic EL device includes a first emitting layer and a second emitting layer, in which the first emitting layer contains a first host material, the second emitting layer contains a second host material, the first and the second host material are mutually different, the first emitting layer and the second emitting layer at least contains a compound that emits fluorescence having a main peak wavelength of 500 nm or less, respectively, the compound contained in the first emitting layer and that emits fluorescence having a main peak wavelength of 500 nm or less is the same as or different from the compound contained in the second emitting layer, and a triplet energy T1(H1) of the first host material and a triplet energy T1(H2) of the second host material satisfy a numerical formula (Numerical Formula 1), T1(H1)>T1(H2)??(Numerical Formula 1).Type: ApplicationFiled: September 11, 2020Publication date: November 3, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Satomi TASAKI, Kazuki NISHIMURA, Ryoji MAEDA, Yuichiro KAWAMURA, Yuki NAKANO
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Patent number: 11489128Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.Type: GrantFiled: August 30, 2021Date of Patent: November 1, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Satomi Tasaki, Kazuki Nishimura, Tasuku Haketa, Ryoji Maeda, Yuki Nakano, Hiroaki Toyoshima
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Patent number: 11482675Abstract: An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.Type: GrantFiled: June 7, 2021Date of Patent: October 25, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Satomi Tasaki, Taro Yamaki, Hiroaki Itoi, Yuki Nakano, Yuichiro Kawamura, Ryoji Maeda, Kazuki Nishimura, Yongguk Lee
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Publication number: 20220310930Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.Type: ApplicationFiled: May 17, 2022Publication date: September 29, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Satomi TASAKI, Kazuki NISHIMURA, Tasuku HAKETA, Ryoji MAEDA, Yuki NAKANO, Hiroaki TOYOSHIMA
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Publication number: 20220285625Abstract: An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.Type: ApplicationFiled: May 5, 2022Publication date: September 8, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Satomi TASAKI, Taro YAMAKI, Hiroaki ITOI, Yuki NAKANO, Yuichiro KAWAMURA, Ryoji MAEDA, Kazuki NISHIMURA, Yongguk LEE
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Patent number: 11393986Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,Type: GrantFiled: June 14, 2021Date of Patent: July 19, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryoji Maeda, Tasuku Haketa, Kazuki Nishimura, Masato Nakamura
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Publication number: 20210359217Abstract: A compound of the following formula (1) and others. R1 to R24, R31 to R35, A1 and A2 are as defined in the specification, n is an integer of 0 to 3, when A1 is an (n+1)-valent residue of benzene, n is an integer of 1 or more, and when n is 0, (A2)0 is a hydrogen atom.Type: ApplicationFiled: September 2, 2019Publication date: November 18, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Kei YOSHIDA, Masatoshi SAITO, Ryoji MAEDA, Masato NAKAMURA, Tetsuya MASUDA
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Publication number: 20210328156Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,Type: ApplicationFiled: June 14, 2021Publication date: October 21, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Ryoji MAEDA, Tasuku HAKETA, Kazuki NISHIMURA, Masato NAKAMURA
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Patent number: 11069861Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,Type: GrantFiled: October 22, 2020Date of Patent: July 20, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryoji Maeda, Tasuku Haketa, Kazuki Nishimura, Masato Nakamura
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Publication number: 20210091313Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting layer, and a second emitting layer, in which the first emitting layer includes a first host material in a form of a first compound represented by a formula (1), the second emitting layer includes a second host material in a form of a second compound represented by a formula (2) and having at least one group represented by a formula (21), and the first emitting layer is in direct contact with the second emtting layer.Type: ApplicationFiled: September 10, 2020Publication date: March 25, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Ryoji MAEDA, Satomi TASAKI, Kazuki NISHIMURA, Yongguk LEE
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Publication number: 20210043850Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Ryoji MAEDA, Tasuku HAKETA, Kazuki NISHIMURA, Masato NAKAMURA
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Patent number: 8759590Abstract: A specified indenopyrene compound containing a disubstituted amino group substituted with a group having a carbon number of from 1 to 40, which is a useful indenopyrene compound as an organic electronics material, and in particular, an indenopyrene compound which when used for organic thin film solar cells, displays a photoelectric conversion characteristic with high efficiency, is provided.Type: GrantFiled: October 4, 2009Date of Patent: June 24, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Ryoji Maeda, Masahide Matsuura
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Publication number: 20140014183Abstract: An organic thin film solar cell including a cathode, a charge-generating layer and an anode being sequentially stacked, which further comprises a charge-transporting layer having a carrier mobility of 1×10?9 cm2/Vs or more at an electric field intensity of 0 V/cm between the cathode and the charge-generating layer and/or between the anode and the charge-generating layer.Type: ApplicationFiled: March 29, 2012Publication date: January 16, 2014Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Ryoji Maeda, Hiroshi Tokailin