Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798913 | Method for separating a trihalogenobenzene isomer | Masashi Yamagushi, Masami Ito, Hiroki Tokunaga | 1989-01-17 |
| 4550329 | Heat sensitive record material | Michihiro Gonda, Katsumasa Kitsukawa, Susumu Suzuka, Mikiko Kanasugi, Yutaka Sato | 1985-10-29 |