TO

Toshiyuki Oka

KT Kabushiki Kaisha Toshiba: 49 patents #354 of 21,451Top 2%
NT NTT: 5 patents #1,080 of 4,871Top 25%
AL Alpad: 1 patents #14 of 28Top 50%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #42,964 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #TitleCo-InventorsDate
12026869 Pavement condition rating method Atsushi Onishi, Toshiyuki Mori, Toshiki SAKAKIBARA 2024-07-02
11824762 Transmission path design apparatus, transmission network topology design method, and transmission path design program for designing a communication path topology optimized in view of reducing amount of equipment needed Hiroshi Yamamoto, Hideki Maeda 2023-11-21
11528080 Optical transmission system and failure diagnosis method for optical transmission system Hiroki Kawahara, Takeshi Seki, Toshihiko Seki 2022-12-13
11362894 Wiring management system and wiring management method Yoshihiko Uematsu, Hiroshi Yamamoto, Hiroki Kawahara, Katsuhiro Araya 2022-06-14
11265628 Optical transmission system and optical transmission method Katsuhiro Araya, Yoshihiko Uematsu, Hiroki Kawahara, Hiroshi Yamamoto 2022-03-01
11251877 Optical reception device Hiroki Kawahara, Hiroshi Yamamoto, Katsuhiro Araya, Yoshihiko Uematsu 2022-02-15
10134806 Semiconductor light emitting device Koji Kaga, Jumpei Tajima, Kazuyuki Miyabe 2018-11-20
9882499 Switching power supply circuit with reduced noise and potential stabilization of stable potential nodes Keiichi Sakuno, Hiroshi Itoh 2018-01-30
9722162 Semiconductor light emitting device Koji Kaga, Jumpei Tajima, Kazuyuki Miyabe 2017-08-01
9412910 Semiconductor light emitting device and method for manufacturing same Toshihide Ito, Taisuke Sato, Shinya Nunoue 2016-08-09
9368682 Semiconductor light emitting device Hiroshi Katsuno, Satoshi Mitsugi, Shinya Nunoue 2016-06-14
9312436 Nitride semiconductor device, nitride semiconductor wafer, and method for manufacturing nitride semiconductor layer Hiroshi Ono, Tomonari Shioda, Naoharu Sugiyama, Shinya Nunoue 2016-04-12
9299889 Semiconductor light emitting device Hiroshi Katsuno, Satoshi Mitsugi, Shinya Nunoue 2016-03-29
9209362 Semiconductor light emitting device and method of fabricating semiconductor light emitting device Toru Gotoda, Shinya Nunoue, Kotaro Zaima 2015-12-08
9202986 Semiconductor light emitting device and method for manufacturing the same Toshihide Ito, Shinya Nunoue 2015-12-01
9159878 Semiconductor light emitting device Shigeya Kimura, Taisuke Sato, Toshihide Ito, Shinya Nunoue 2015-10-13
9082931 Semiconductor light emitting device Hiroshi Katsuno, Satoshi Mitsugi, Shinya Nunoue 2015-07-14
9018665 Semiconductor light emitting device and method for manufacturing the same Kotaro Zaima, Toru Gotoda, Shinya Nunoue 2015-04-28
9006013 Method for manufacturing semiconductor light emitting device and semiconductor light emitting device wafer Toru Gotoda, Shinya Nunoue, Kotaro Zaima, Hiroshi Ono, Hajime Nago 2015-04-14
8994054 Nitride LED with a schottky electrode penetrating a transparent electrode Eiji Muramoto, Shinya Nunoue 2015-03-31
8981398 Semiconductor light emitting device and method for manufacturing the same Kotaro Zaima, Toru Gotoda, Shinya Nunoue 2015-03-17
8963176 Semiconductor light-emitting device and method for manufacturing same Shigeya Kimura, Hajime Nago, Koichi Tachibana, Toshiki Hikosaka, Shinya Nunoue 2015-02-24
8890195 Semiconductor light emitting device and method for manufacturing the same Taisuke Sato, Koichi Tachibana, Shinya Nunoue 2014-11-18
8877526 Semiconductor light emitting device and method for manufacturing the same Hiroshi Ono, Toshiki Hikosaka, Tomoko Morioka, Shinya Nunoue 2014-11-04
8859307 Semiconductor device and method for manufacturing same Satoshi Mitsugi, Shinya Nunoue, Hiroshi Katsuno 2014-10-14