Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10332976 | Nitride semiconductor device | Hisao Ichijoh, Masayuki Fukumi, Norihisa Fujii | 2019-06-25 |
| 9859411 | Field effect transistor | Takamitsu Suzuki, Masaya Isobe | 2018-01-02 |
| 9461158 | Heterojunction field effect transistor | Norihisa Fujii, Tetsuzo Nagahisa | 2016-10-04 |
| 9086480 | Optical distance-measuring device and electronic device | Hideo Wada, Akifumi Yamaguchi | 2015-07-21 |
| 8780330 | Optical distance-measuring device and electronic device | Hideo Wada, Akifumi Yamaguchi | 2014-07-15 |
| 8390793 | Optical ranging sensor and electronic equipment | Akifumi Yamaguchi, Hideo Wada, (Jason) Chih-Hung Lu | 2013-03-05 |
| 8384011 | Optical detection device and electronic equipment for detecting at least one of an X-coordinate and a Y-coordinate of an object | Hideo Wada, Akifumi Yamaguchi | 2013-02-26 |
| 8373128 | Optical ranging sensor and electronic device | Akifumi Yamaguchi | 2013-02-12 |
| 7995189 | Optical distance measuring sensor and electronic device | Akifumi Yamaguchi, Toshihiko Fukushima | 2011-08-09 |
| 7655982 | Output control device, and AC/DC power source device, circuit device, LED backlight circuit device, and switching DC/DC converter device each using output control device | Toshio Naka, Shinji Kamiya, Shohhei Ohsawa | 2010-02-02 |
| 7157747 | Bidirectional photothyristor chip, light-fired coupler and solid state relay | Mitsuru Mariyama | 2007-01-02 |
| 6995408 | Bidirectional photothyristor chip | Mitsuru Mariyama | 2006-02-07 |
| 6949809 | Light receiving element, light detector with built-in circuitry and optical pickup | Takahiro Takimoto, Isamu Ohkubo, Hiroki Nakamura, Toshihiko Fukushima, Toshifumi Yoshikawa | 2005-09-27 |
| 6707081 | Photodetector with built-in circuit | Takahiro Takimoto, Isamu Okubo, Toshimitsu Kasamatsu, Zenpei Tani | 2004-03-16 |
| 6600174 | Light receiving element and semiconductor laser device | Isamu Ohkubo, Kazuhiro Natsuaki, Naoki Fukunaga | 2003-07-29 |
| 6593165 | Circuit-incorporating light receiving device and method of fabricating the same | Takahiro Takimoto, Naoki Fukunaga, Isamu Ohkubo, Toshimitsu Kasamatsu, Mutsumi Oka | 2003-07-15 |
| 6492702 | Circuit-incorporating light receiving device | Toshihiko Fukushima, Shigeki Hayashida | 2002-12-10 |
| 6448614 | Circuit-incorporating photosensitive device | Toshihiko Fukushima, Zenpei Tani | 2002-09-10 |
| 6433366 | Circuit-incorporating light receiving device and method of fabricating the same | Takahiro Takimoto, Naoki Fukunaga, Isamu Ohkubo, Toshimitsu Kasamatsu, Mutsumi Oka | 2002-08-13 |
| 6404029 | Light sensitive element and light sensitive element having internal circuitry | Makoto Hosokawa, Naoki Fukunaga, Takahiro Takimoto, Toshihiko Fukushima, Isamu Ohkubo | 2002-06-11 |
| 6380603 | Photosensitive device with internal circuitry that includes on the same substrate | Takahiro Takimoto, Toshihiko Fukushima, Isamu Ohkubo, Makoto Hosokawa | 2002-04-30 |
| 6313484 | Circuit-integrated light-receiving device | Isamu Ohkubo, Naoki Fukunaga, Takahiro Takimoto, Mutsumi Oka, Toshimitsu Kasamatsu | 2001-11-06 |
| 6127715 | Photodetector element containing circuit element and manufacturing method thereof | Motohiko Yamamoto | 2000-10-03 |
| 6114740 | Circuit-integrating light-receiving element | Takahiro Takimoto, Naoki Fukunaga | 2000-09-05 |
| 6049117 | Light-receiving element | Naoki Fukunaga | 2000-04-11 |