Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092593 | Microactuator device and optical switching system using the same | Keiichi Akagawa, Yoshihiko Suzuki, Toshiaki Tamamura, Masatoshi Kanaya | 2006-08-15 |
| 7082251 | Optical device | Toshiaki Tamamura, Masatoshi Kanaya, Makoto Satoh, Yoshihiko Suzuki | 2006-07-25 |
| 7010200 | Light-beam switching/adjusting apparatus and manufacturing method thereof | Keiichi Akagawa, Yoshihiko Suzuki, Tohru Ishizuya, Junji Suzuki, Masatoshi Kanaya +1 more | 2006-03-07 |
| 7006722 | Waveguide type optical device and position detecting method | Toshiaki Tamamura, Masatoshi Kanaya, Shigendo Nishi, Keiichi Akagawa | 2006-02-28 |
| 6954562 | Matrix switch of optical waveguide type and method for manufacturing the same | Tatsuo Izawa, Toshiaki Tamamura, Makoto Sato, Katsunari Okamoto | 2005-10-11 |
| 5155737 | Semiconductor wavelength conversion device | Masahiro Ikeda, Osamu Mikami, Hiroshi Yasaka, Mitsuru Naganuma, Shingo Uehara | 1992-10-13 |
| 4463366 | Field effect transistor with combination Schottky-junction gate | Yasunobu Ishii, Kazuyoshi Asai | 1984-07-31 |
| 4331967 | Field effects semiconductor devices | Kazuyoshi Asai, Yasunobu Ishii | 1982-05-25 |
| 4327475 | Method of manufacturing a FET device disposed in a compound s/c layer on a semi-insulating substrate | Kazuyoshi Asai, Yasunobu Ishii | 1982-05-04 |