Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7194742 | Information management system and information management method for network | — | 2007-03-20 |
| 7177065 | Optical element, thin film structure, optical switch, and method of manufacturing optical element | Tohru Ishizuya, Yoshihiko Suzuki | 2007-02-13 |
| 7116192 | Micro actuator and optical switch using the actuator | Tohru Ishizuya | 2006-10-03 |
| 7027098 | Picture-signal processing apparatus and method using weighting for black-level control | Toshihiro Gai | 2006-04-11 |
| 7010200 | Light-beam switching/adjusting apparatus and manufacturing method thereof | Keiichi Akagawa, Yoshihiko Suzuki, Tohru Ishizuya, Katsuhiko Kurumada, Masatoshi Kanaya +1 more | 2006-03-07 |
| 6936950 | Micro-actuator utilizing electrostatic and Lorentz forces, and micro-actuator device, optical switch and optical switch array using the same | Keiichi Akagawa, Tohru Ishizuya, Yoshihiko Suzuki | 2005-08-30 |
| 6835932 | Thermal displacement element and radiation detector using the element | Tohru Ishizuya | 2004-12-28 |
| 6828557 | Radiation-detection devices | Tohru Ishizuya, Keiichi Akagawa | 2004-12-07 |
| 6628345 | Automatic frequency tuning circuit | Masanori Tachibana | 2003-09-30 |
| 6469301 | Radiation detectors including thermal-type displaceable element with increased responsiveness | Tohru Ishizuya | 2002-10-22 |
| 5070398 | Contour compensator for carrier chrominance signal | Tsutomu Kawano | 1991-12-03 |
| 4677252 | Circuit board | Satoshi Takahashi, Akira Tsutsumi, Hiroshi Kumakura, Takao Ito, Kenji Ohsawa +4 more | 1987-06-30 |
| 4513209 | Level detector | Kenzo Tanabe | 1985-04-23 |
| 4461042 | Transistor balanced mixer | Kenzo Tanabe | 1984-07-17 |
| 4344188 | Balanced modulator | Kenzo Tanabe, Masashi Kanno | 1982-08-10 |