Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476038 | Optical device module | Tadao Nakazawa, Hirofumi Aota, Hideyuki Miyata, Yoichi Oikawa | 2009-01-13 |
| 7440648 | Wavelength selective switch | Yoichi Oikawa | 2008-10-21 |
| 7151866 | Optical device module | Tadao Nakazawa, Hirofumi Aota, Hideyuki Miyata, Yoichi Oikawa | 2006-12-19 |
| 6931165 | Variable polarization plane rotator and optical device using same | Hiroshi Nagaeda, Nobuaki Mitamura | 2005-08-16 |
| 6870872 | Etalon and external resonance type laser | — | 2005-03-22 |
| 6867892 | Control method and drive circuit for polarization scrambler | — | 2005-03-15 |
| 6826318 | Variable polarization plane rotator and optical device using same | Hiroshi Nagaeda, Nobuaki Mitamura | 2004-11-30 |
| 6378972 | Drive method for an on-demand multi-nozzle ink jet head | Yoshitaka Akiyama, Takuji Torii, Nobuhiro Noto, Kazuo Shimizu, Shigenori Suematsu +1 more | 2002-04-30 |
| 6264310 | Multi-nozzle ink jet head with dummy piezoelectric elements at both ends of a piezoelectric element array for controlling the flow of adhesive about the piezoelectric element array | Takuji Toru, Nobuhiro Noto, Kenichi Kugai, Takao Matsuoka, Yoshitaka Akiyama +2 more | 2001-07-24 |
| 6102512 | Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head | Takuji Torii, Nobuhiro Noto, Shigenori Suematsu, Yoshitaka Akiyama, Ryoji Yabuki | 2000-08-15 |