Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882247 | Electrophotographic image recording method | Kazuo Marugama, Kiyoshi Horie, Toshiro Yamamoto, Koji Adachi, Toru Okamoto +2 more | 1989-11-21 |
| 4833505 | Latent image color developing system | Nobumasa Furuya, Kazuo Maruyama, Takeshi Sumikawa, Toshirou Yamamoto, Kouji Adachi +1 more | 1989-05-23 |