Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487050 | Rolling mill | Tetsuo Kajiwara, Kazuyoshi Hashimoto, Takao Kawanami | 1984-12-11 |
| 4461807 | Recording material | Masafumi Nakao | 1984-07-24 |
| 4370391 | Recording material | Masafumi Nakao | 1983-01-25 |
| 4205988 | Photochromic method involving an aromatic amine | Masaru Ozaki, Masatsugu Yoshino | 1980-06-03 |