Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9269869 | Semiconductor optical element | Tadashi Okumura, Shinichi Saito, Kazuki Tani, Etsuko Nomoto | 2016-02-23 |
| 9052449 | Light emitting device, manufacturing method thereof, and optical transceiver | Misuzu Sagawa, Kazuki Tani | 2015-06-09 |
| 9041080 | Semiconductor optical element | Kazuki Tani, Shinichi Saito | 2015-05-26 |
| 8680553 | Light-emitting device, light-receiving device and method of manufacturing the same | Shinichi Saito, Masahiro Aoki, Nobuyuki Sugii, Toshiki Sugawara | 2014-03-25 |
| 8350301 | Semiconductor photodiode device and manufacturing method thereof | Makoto Miura, Shinichi Saito, Youngkun Lee | 2013-01-08 |
| 8294213 | Semiconductor photodiode device and manufacturing method thereof | Makoto Miura, Shinichi Saito, Youngkun Lee | 2012-10-23 |
| 7863162 | Semiconductor device and manufacturing method thereof | Isao Suzumura | 2011-01-04 |
| 7521734 | Semiconductor device with reduced base resistance | Eiji Oue, Katsuyoshi Washio, Hiromi Shimamoto, Makoto Miura | 2009-04-21 |
| 7368763 | Semiconductor device and manufacturing method thereof | Makoto Miura, Katsuyoshi Washio | 2008-05-06 |
| 7095043 | Semiconductor device, semiconductor circuit module and manufacturing method of the same | Nobuyuki Sugii, Makoto Miura, Isao Suzumura, Katsuyoshi Washio | 2006-08-22 |
| 7052787 | Solid high polymer type fuel cell power generating device | Osamu Tajima, Tatsuji Hatayama, Ryuji Yukawa, Taketoshi Ouki, Akira Fuju +7 more | 2006-05-30 |
| 6995054 | Method of manufacturing a semiconductor device | Katsuyoshi Washio | 2006-02-07 |
| 6974977 | Heterojunction bipolar transistor | Katsuyoshi Washio, Reiko Hayami, Hiromi Shimamoto, Masao Kondo, Eiji Oue +1 more | 2005-12-13 |
| 6905972 | Semiconductor device and method for manufacturing the same | — | 2005-06-14 |
| 6724019 | Multi-layered, single crystal field effect transistor | Katsuyoshi Washio | 2004-04-20 |
| 6667489 | Heterojunction bipolar transistor and method for production thereof | Isao Suzumura, Katsuyoshi Washio | 2003-12-23 |
| 6653715 | Bipolar transistor | Masao Kondo, Katsuyoshi Washio | 2003-11-25 |
| 6600178 | Heterojunction bipolar transistor | Katsuyoshi Washio, Reiko Hayami, Hiromi Shimamoto, Masao Kondo, Eiji Oue +1 more | 2003-07-29 |
| 6521974 | Bipolar transistor and manufacturing method thereof | Eiji Ohue, Masao Kondo, Katsuyoshi Washio, Masamichi Tanabe, Hiromi Shimamoto | 2003-02-18 |
| 6482710 | Bipolar transistor and manufacting method thereof | Eiji Ohue, Masao Kondo, Katsuyoshi Washio, Masamichi Tanabe, Hiromi Shimamoto | 2002-11-19 |
| 6469367 | Bipolar transistor | Masao Kondo, Katsuyoshi Washio | 2002-10-22 |
| 6388307 | Bipolar transistor | Masao Kondo, Katsuyoshi Washio | 2002-05-14 |
| 6103411 | Hydrogen production apparatus and method operable without supply of steam and suitable for fuel cell systems | Takaaki Matsubayashi, Yasuo Miyake | 2000-08-15 |
| 5962880 | Heterojunction bipolar transistor | Eiji Ohue, Takahiro Onai, Katsuyoshi Washio | 1999-10-05 |