Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656344 | Electroconductive polyurethane foam | Eiji Sawa, Hiroya Fukuda, Shohei Morikawa, Hitoshi Yaguchi | 1997-08-12 |
| 5565968 | Developing roller, and method and apparatus for developing latent images using the roller | Eiji Sawa, Ryuta Tanaka, Tokuo Okada, Yoshio Takizawa, Koji Takagi +1 more | 1996-10-15 |
| 4771296 | Transfer ribbon feed arrangement | Mitsuhiro Shimada, Fumio Shiozaki, Susumu Nonaka, Takashi Imagawa | 1988-09-13 |
| 4751519 | Reciprocating recording paper in recording apparatus | Mitsuhiro Shimada, Takashi Imagawa, Fumio Shiozaki, Susumu Nonaka | 1988-06-14 |