Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731632 | Toner development device with improved scraper | Masao Fukushima, Masao Nishikawa, Yasunari Yamaguchi | 1988-03-15 |
| 4669865 | Cooling device for a light source in a copying machine | Koji Yamashita, Masanori Katayama | 1987-06-02 |
| 4668073 | Fixing apparatus | Yukio Hatabe, Yoshio Miyauchi, Masao Fukushima, Toru Horikawa | 1987-05-26 |
| 4586809 | Liquid developing equipment for electrophotographic copying machine | Yoshio Miyauchi, Kiyosi Takenaka | 1986-05-06 |