Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11217705 | Semiconductor element, semiconductor device, and method for manufacturing same | Makoto Shimizu, Hiroki Itoh, Isamu Kotaka | 2022-01-04 |
| 10367100 | Semiconductor element, semiconductor device, and method for manufacturing same | Makoto Shimizu, Hiroki Itoh, Isamu Kotaka | 2019-07-30 |
| 9857217 | Opto-electronic integrated circuit, array antenna transmitter, array antenna receiver, and transmitter | Atsushi Wakatsuki | 2018-01-02 |
| 9276158 | Photodiode | Hiroki Itoh, Makoto Shimizu | 2016-03-01 |
| 9229179 | Integrated optoelectronic module | — | 2016-01-05 |
| 9006854 | Avalanche photodiode | Seigo Ando, Masahiro Nada, Yoshifumi Muramoto, Haruki Yokoyama | 2015-04-14 |
| 8754445 | Semiconductor device | Seigo Ando, Yoshifumi Muramoto, Toshihide Yoshimatsu, Haruki Yokoyama | 2014-06-17 |
| 8729602 | Avalanche photodiode | Seigo Ando, Masahiro Nada, Yoshifumi Muramoto, Haruki Yokoyama | 2014-05-20 |
| 8575650 | Avalanche photodiode | Seigo Ando, Yoshifumi Muramoto, Fumito Nakajima, Haruki Yokoyama | 2013-11-05 |
| 8401344 | Semiconductor optical modulator and optical modulating apparatus | Kazuhiro Maruyama, Kenji Kobayashi, Tomoyuki Akeyoshi, Nobuhiro Kikuchi, Ken Tsuzuki +1 more | 2013-03-19 |
| 8031984 | Semiconductor optical modulator | Nobuhiro Kikuchi, Ken Tsuzuki | 2011-10-04 |
| 7880197 | Avalanche photodiode having doping region with monotonically increasing concentration distribution | Seigo Ando, Yukihiro Hirota, Yoshifumi Muramoto | 2011-02-01 |
| 7787736 | Semiconductor optoelectronic waveguide | Seigo Ando, Ken Tsuzuki | 2010-08-31 |
| 7599595 | Semiconductor optoelectronic waveguide | Seigo Ando, Ken Tsuzuki | 2009-10-06 |
| 7557387 | Avalanche photodiode | Seigo Ando, Yukihiro Hirota | 2009-07-07 |
| 6909161 | Photodiode | Yukihiro Hirota, Yoshifumi Muramoto | 2005-06-21 |
| 5818096 | Pin photodiode with improved frequency response and saturation output | Tomofumi Furuta, Naofumi Shimizu, Koichi Nagata, Yutaka Matsuoka, Masaaki Tomizawa | 1998-10-06 |
| 5557117 | Heterojunction bipolar transistor and integrated circuit device using the same | Yutaka Matsuoka, Eiichi Sano, Kenji Kurishima, Hiroki Nakajima | 1996-09-17 |
| 5180626 | Opaque and pearlescent, laminated and stretched products, and method for making them | Kazuhiro Yamada | 1993-01-19 |
| 5114638 | Process for producing an opacified molded product | Takashi Kuroda, Kazuhiro Yamada, Suetou Hayashida, Kyoichiro Kimura, Masaru Sameshima | 1992-05-19 |
| 5084519 | Stretched article having pearly gloss and process for preparing same | — | 1992-01-28 |
| 5082900 | Opacified molded product | Takashi Kuroda, Kazuhiro Yamada, Suetou Hayashida, Kyoichiro Kimura, Masaru Sameshima | 1992-01-21 |
| 5079273 | Dulled stretched molding and process for producing the same | Takashi Kuroda, Kazuhiro Yamada | 1992-01-07 |
| 5068155 | Opaque, laminated and stretched products, and method for making them | Kazuhiro Yamada | 1991-11-26 |
| 5019890 | Heterojunction bipolar transistor | Yoshiki Yamauchi | 1991-05-28 |