Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889688 | Process of producing nodular cast iron | Makoto Suenaga, Fumio Obata, Takeshi Natsume | 1989-12-26 |
| 4889687 | Nodular cast iron having a high impact strength and process of treating the same | Yasuoki Ishihara, Fumio Obato, Takeshi Natsume | 1989-12-26 |
| 4875074 | Image recording apparatus | Kazuo Sangyoji, Shigeyuki Hayashi, Makoto Suzuki, Yasuo Kimura | 1989-10-17 |
| 4865938 | Photo and pressure sensitive recording media comprising an adhesive agent | Koji Suzuki, Shunichi Higashiyama | 1989-09-12 |
| 4851881 | Optical printing system | Takemi Yamamoto, Koji Kobayakawa, Ichiro Sasaki, Ryohei Komiya, Akira Sago +2 more | 1989-07-25 |
| 4825256 | Image recording device | Hitoshi Nakai, Takemi Yamamoto, Eiji Fujii | 1989-04-25 |
| 4810614 | Method of recording information on photosensitive and pressure-sensitive sheet utilizing mask original form | Kazuo Sangyoji, Takemi Yamamoto, Tsugio Okamoto, Naoyuki Hatta, Yuji Asano +4 more | 1989-03-07 |