Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35142 | Fluorescent lamp having three electrodes for starting at low temperatures | Ryoji Kikuchi, Masataka Nishiyama | 1996-01-09 |
| 5249073 | Installation of optical components in an optical device | Yasuo Takizawa, Masataka Nishiyama, Takaaki Yoshinari, Masakuni Suwashita | 1993-09-28 |
| 5216248 | Photodetector with mask for stable output signal | Taizo Saito, Yoshiyuki Araki | 1993-06-01 |
| 5194994 | Mirror installation in an optical device | Yasuo Takizawa, Masataka Nishikyama, Takaaki Yoshinari, Masakuni Suwashita | 1993-03-16 |
| 5191483 | Installation of optical component in optical device | Yasuo Takizawa, Masataka Nishiyama, Takaaki Yoshinari, Masakuni Suwashita | 1993-03-02 |
| 5191481 | Lens installation in an optical device | Yasuo Takizawa, Masataka Nishiyama, Takaaki Yoshinari, Masakuni Suwashita | 1993-03-02 |
| 5189340 | Fluorescent lamp assebmly for image scanner | — | 1993-02-23 |
| 5081395 | Fluorescent lamp having three electrodes for starting at low temperatures | Ryoji Kikuchi, Masataka Nishiyama | 1992-01-14 |
| 4727382 | Intensity control for a semiconductor laser of a laser beam printer | Kiyoshi Negishi, Manabu Imoto, Hideo Aida | 1988-02-23 |