Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350643 | Process for producing 2,3-dihalopropionitrile | Shosuke Nagai, Toshio Kato, Chojiro H. Iguchi, Nobuyuki Kawashima, Ryuichi Mita +1 more | 1982-09-21 |
| 4338259 | Alpha-halogeno-beta-aminopropionitriles or the mineral acid salts thereof, and processes for production thereof | Ryuichi Mita, Toshio Kato, Chojiro Higuchi, Hisamichi Murakami | 1982-07-06 |
| 4312522 | Heat sensitive recording sheet | Keizaburo Yamaguchi, Hisamichi Murakami | 1982-01-26 |