Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119144 | Cleaner provided in a copying machine | Yoshinobu Hada, Kazuyuki Fukui | 1992-06-02 |
| 5025155 | Charging device for electrophotographic systems | — | 1991-06-18 |
| 5005517 | Developing device | Kazuyuki Fukui, Yoshinobu Hada | 1991-04-09 |
| 4980522 | Operating key switch unit | Takashi Murakami | 1990-12-25 |
| 4969187 | Telephone set | Yoshihiro Tsujita, Masaru Fujita | 1990-11-06 |
| 4937408 | Self-illuminating panel switch | Takashi Murakami, Yoshihiro Tsujita | 1990-06-26 |
| 4812873 | Heat fixing unit in an electrophotographic copying apparatus | Sanji Inagaki, Hiroshi Fukao, Tetsuya Yamada, Etsuaki Urano | 1989-03-14 |
| 4521488 | Polyacetal resin composition excellent in heat stability and surface processability and process for surface treating same | Takashi Watanabe, Kunio Maeda | 1985-06-04 |
| 4464435 | Polyacetal resin composition excellent in heat stability and surface processability and process for surface treating same | Takashi Watanabe, Kunio Maeda | 1984-08-07 |