Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344775 | Water pump | Yojiro Koga, Kenichi Komai, Megumi Onozuka | 2019-07-09 |
| 9577148 | Light emitting diode element and method of manufacturing the same | Masakazu Sugiyama, Manish Mathew, Hassanet Sodabanlu | 2017-02-21 |
| 8014638 | Signal transmission device | Xueliang Song, Shurong Wang | 2011-09-06 |
| 7555258 | Integrated circuit device and low noise block down converter including same | Shoji Sakurai | 2009-06-30 |
| 7480348 | I/Q demodulation circuit | — | 2009-01-20 |
| 7462812 | Optical switch apparatus and optical switching system | Yutaka Kai, Yasuhiko Aoki, Eric Gouardes | 2008-12-09 |
| 7415256 | Received signal strength measurement circuit, received signal strength detection circuit and wireless receiver | — | 2008-08-19 |
| 7368700 | Optical switch apparatus and optical switching system | Yutaka Kai, Yasuhiko Aoki, Eric Gouardes | 2008-05-06 |
| 7292746 | All-optical flip-flop | Mitsuru Takenaka | 2007-11-06 |
| 7218688 | Data slicer | — | 2007-05-15 |
| 7164738 | Signal canceling method and device | Hiromi Miyamoto, Ichiro Abeno | 2007-01-16 |
| 6933159 | Fabrication method of a semiconductor laser device | Masahiro Kito, Masato Ishino, Tomoaki Toda | 2005-08-23 |
| 6889794 | Electric power steering system | Hideki Higashira | 2005-05-10 |
| 6793459 | Water pump | Masaki Chujo, Atsushi Chiba, Shuhei Yamazaki | 2004-09-21 |
| 6625189 | Semiconductor laser device and fabrication method thereof | Masahiro Kito, Masato Ishino, Tomoaki Toda | 2003-09-23 |
| 6512427 | Spurious signal reduction circuit | — | 2003-01-28 |
| 6456417 | All-optical flip-flop device | Drew Maywar, Govind Agrawal | 2002-09-24 |
| 6374029 | Optical device | Byong-Jin Ma | 2002-04-16 |
| 6356382 | Optical wavelength converter with active waveguide | Byong-Jin Ma | 2002-03-12 |
| 6208795 | Optical waveguide isolator | Mitsuru Takenaka | 2001-03-27 |
| 5787105 | Integrated semiconductor laser apparatus | Kazuya Okamoto, Atsushi Yamada, Kunio Tada | 1998-07-28 |
| 5392014 | Frequency multiplier | Haruki Nishida, Shin Watanabe | 1995-02-21 |
| 5289494 | Distributed feedback semiconductor laser | Kunio Tada, Takeshi Inoue, Yi Luo, Takeshi Irita, Shin Nakajima +1 more | 1994-02-22 |
| 5103196 | Microstrip line having a changed effective line length | Akira Watanabe | 1992-04-07 |
| 5077752 | Semiconductor laser | Kunio Tada, Yi Luo, Takeshi Inoue, Haruo Hosomatsu, Hideto Iwaoka | 1991-12-31 |