HO

Hiroyuki Okuyama

SO Sony: 77 patents #205 of 25,231Top 1%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
TK Toshiba Tec Kabushiki Kaisha: 9 patents #340 of 1,664Top 25%
ML Mitsubishi Pencil Company, Limited: 3 patents #97 of 302Top 35%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
MT Miyachi Technos: 1 patents #22 of 43Top 55%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Overall (All Time): #16,821 of 4,157,543Top 1%
93
Patents All Time

Issued Patents All Time

Showing 1–25 of 93 patents

Patent #TitleCo-InventorsDate
12021172 Light-emitting element and image displaying apparatus Masaki Shiozaki, SHINSUKE NOZAWA, Naoki Furukawa, Nobuhiro Subawara 2024-06-25
10516080 Semiconductor device and apparatus for improved light emission 2019-12-24
10050177 GaN based semiconductor light-emitting device and method for producing same Goshi Biwa 2018-08-14
9786638 Light-emitting device and display device 2017-10-10
9566818 Writing instrument Toshimi Kamitani, Mitsuhiro Kawabata, Tadashi Kouriki 2017-02-14
9373274 Light-emitting device and display device 2016-06-21
9368685 Semiconductor light emitting device, method of manufacturing the same, image display device, and electronic apparatus Hiroki Naito, Takahiro Koyama, Kensuke Kojima, Arata Kobayashi, Makoto Oogane +1 more 2016-06-14
9132692 Writing instrument Toshimi Kamitani, Mitsuhiro Kawabata, Tadashi Kouriki 2015-09-15
8993992 GaN based semiconductor light-emitting device and method for producing same Goshi Biwa 2015-03-31
8946764 Gallium nitride-based semiconductor element, optical device using the same, and image display apparatus using optical device Goshi Biwa, Ippei Nishinaka 2015-02-03
8928009 Light emitting device, illuminating device, and display device Katsuhiro Tomoda, Naoki Hirao 2015-01-06
8741451 Crystal film, crystal substrate, and semiconductor device Etsuo Morita, Yousuke Murakami, Goshi Biwa, Masato Doi, Toyoharu Oohata 2014-06-03
8731422 Image forming apparatus and method for re-executing duplex printing Hiromasa Tanaka, Eiichi Yamanishi, Tetsuya Sadowara, Yoshihito Hiroe, Yasuaki Okamoto 2014-05-20
8616797 Thermosensitive decolorable ink composition Toshimi Kamitani 2013-12-31
8319808 Image forming apparatus Tetsuya Sadowara, Eiichi Yamanishi, Yoshihito Hiroe, Hiromasa Tanaka, Yasuaki Okamoto 2012-11-27
8168966 GaN-based semiconductor light-emitting device, light illuminator, image display planar light source device, and liquid crystal display assembly Goshi Biwa 2012-05-01
7956380 Semiconductor light-emitting device Jun Suzuki, Masato Doi, Goshi Biwa 2011-06-07
7928452 GaN-based semiconductor light-emitting element, light-emitting element assembly, light-emitting apparatus, method of manufacturing GaN-based semiconductor light-emitting element, method of driving GaN-based semiconductor light-emitting element, and image display apparatus Hiroki Naito, Goshi Biwa, Ippei Nishinaka 2011-04-19
7789458 Structure of coupling portions of exterior parts Susumu Suzuki, Nobuhiro Iwai, Taro Ikeda, Naoki Tanaka, Michiaki Okabe +4 more 2010-09-07
7727331 Crystal firm, crystal substrate, and semiconductor device Etsuo Morita, Yousuke Murakami, Goshi Biwa, Masato Doi, Toyoharu Oohata 2010-06-01
7706022 Image forming apparatus and image forming method 2010-04-27
7700959 Semiconductor light-emitting device, semiconductor light-emitting apparatus, and method of manufacturing semiconductor light-emitting device Jun Suzuki, Masato Doi, Goshi Biwa 2010-04-20
7695991 Method for manufacturing GaN semiconductor light-emitting element Goshi Biwa 2010-04-13
7616343 Image data conversion apparatus, image forming apparatus, image data conversion method and program 2009-11-10
7589346 GaN based semiconductor light-emitting device and method for producing same Goshi Biwa 2009-09-15