Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202400 | Process for the production of highly water absorptive polymers | Kiichi Itoh, Shuhei Yada | 1993-04-13 |
| 5185413 | Process for producing highly water-absortive polymers | Toshiko Nakamura, Kiichi Itoh | 1993-02-09 |
| 5087656 | Highly water-absorptive powdery polymer composition | Hirochika Hosaka, Toshiko Nakamura | 1992-02-11 |
| 5086133 | Process for producing highly water absorptive polymer | Kiichi Itoh, Takeshi Shibano | 1992-02-04 |
| 5072311 | Film image reading apparatus with length/width discrimination signal | Akira Hiramatsu, Kazunori Kanekura, Yukio Sato, Ritsushi Tanabe, Hideaki Shimizu | 1991-12-10 |
| 5059664 | Process for the preparation of water absorptive resin | Shuhei Yada, Takeshi Shibano, Kiichi Itoh | 1991-10-22 |
| 4733281 | Transport control device for an image recording apparatus | Kenji Takeda | 1988-03-22 |
| 4646679 | Developing apparatus | Akio Ohno, Kiyoharu Tanaka, Kenji Takeda, Shinichi Oguri, Yusaku Takada | 1987-03-03 |
| 4620783 | Color image forming apparatus | Kiyoharu Tanaka, Kenji Takeda, Shinichi Oguri, Yusaku Takada, Akio Ohno | 1986-11-04 |
| 4593992 | Image forming apparatus | Yusaku Takada | 1986-06-10 |
| 4541707 | Recording apparatus having parting agent removing means | — | 1985-09-17 |