Issued Patents All Time
Showing 251–254 of 254 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262938 | Color-developing sheet for pressure-sensitive recording sheets | Tadashi Kobayashi, Kenzaburo Yamuguchi, Hisamichi Murakami, Noboru Yamato, Akira Hasegawa | 1981-04-21 |
| 4260179 | Color-developing sheet for pressure-sensitive recording sheets | Tadashi Kobayashi, Keizaburo Yamaguchi, Kisuke Osawa, Hisamichi Murakami, Noboru Yamato +1 more | 1981-04-07 |
| 4248804 | Process for the preparation of 2,2'-bis[4-(1,1,3,3-tetramethylbutyl)phenol]sulfide | Tadashi Kobayashi, Keisaburo Yamaguchi, Hisamichi Murakami | 1981-02-03 |
| 4192677 | 1,3,4-Oxadiazole derivatives and use thereof | Mitsuo Okazaki, Masaomi Sasaki | 1980-03-11 |