Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11264519 | Light-receiving element and method for manufacturing element | Yoshiho Maeda, Fumito Nakajima, Atsushi Kanda, Kimikazu Sano | 2022-03-01 |
| 10374107 | Optical waveguide integrated light receiving element and method of manufacturing the same | Masahiro Nada, Hideaki Matsuzaki | 2019-08-06 |
| 10297705 | Avalanche photodiode | Masahiro Nada, Fumito Nakajima, Hideaki Matsuzaki | 2019-05-21 |
| 9006854 | Avalanche photodiode | Tadao Ishibashi, Seigo Ando, Masahiro Nada, Haruki Yokoyama | 2015-04-14 |
| 8916946 | Optical semiconductor device | Yoshiyuki Doi, Takaharu Ohyama | 2014-12-23 |
| 8754445 | Semiconductor device | Tadao Ishibashi, Seigo Ando, Toshihide Yoshimatsu, Haruki Yokoyama | 2014-06-17 |
| 8729602 | Avalanche photodiode | Tadao Ishibashi, Seigo Ando, Masahiro Nada, Haruki Yokoyama | 2014-05-20 |
| 8704322 | Optical semiconductor device | Yoshiyuki Doi, Takaharu Ohyama | 2014-04-22 |
| 8575650 | Avalanche photodiode | Tadao Ishibashi, Seigo Ando, Fumito Nakajima, Haruki Yokoyama | 2013-11-05 |
| 7880197 | Avalanche photodiode having doping region with monotonically increasing concentration distribution | Tadao Ishibashi, Seigo Ando, Yukihiro Hirota | 2011-02-01 |
| 6909161 | Photodiode | Tadao Ishibashi, Yukihiro Hirota | 2005-06-21 |
| 5949120 | Semiconductor photodetector | Kazutoshi Kato, Osaake Nakajima, Masahiro Yuda, Atsuo Kozen | 1999-09-07 |
| 5477277 | Apparatus and method for controlling the muting of sound and the display of audio information on a television receiver | Susumu Shimoyanagida | 1995-12-19 |
| 5315386 | Television receiver and decoder for closed-caption broadcast providing simple character display showing existence of a closed-caption signal irrespective of user selection of closed caption demodulation | — | 1994-05-24 |