Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581257 | Method of producing cast coated paper | Hiromasa Kondo, Kazuo Kojima, Mikio Takahashi | 1986-04-08 |
| 4539225 | Method for the production of a heat-sensitive record material | Kazuo Kojima, Yoshitaka Oeda | 1985-09-03 |
| 4414259 | Heat-sensitive record material | Hiroshi Tsuchiya, Takeshi Murakami | 1983-11-08 |