Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092593 | Microactuator device and optical switching system using the same | Keiichi Akagawa, Yoshihiko Suzuki, Katsuhiko Kurumada, Toshiaki Tamamura | 2006-08-15 |
| 7082251 | Optical device | Katsuhiko Kurumada, Toshiaki Tamamura, 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, Katsuhiko Kurumada +1 more | 2006-03-07 |
| 7006722 | Waveguide type optical device and position detecting method | Katsuhiko Kurumada, Toshiaki Tamamura, Shigendo Nishi, Keiichi Akagawa | 2006-02-28 |
| 6808448 | Method and device for detecting/removing crustacean with untorn shell | Masahiro Niimoto | 2004-10-26 |
| 5958132 | SiC single crystal and method for growth thereof | Jun Takahashi, Yuichiro Fujiwara, Noboru Ohtani | 1999-09-28 |
| 5441011 | Sublimation growth of single crystal SiC | Jun Takahaski | 1995-08-15 |
| 4929563 | Method of manufacturing semiconductor device with overvoltage self-protection | Yoshiaki Tsunoda | 1990-05-29 |