Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458018 | Process for purifying elastase | Tsunehiko Kataoka, Yoshiaki Nagara, Akira Hashimoto, Masayuki Konishi | 1984-07-03 |
| 4292329 | Center-filled chewing gum | Shichigoro Tezuka, Masatoshi Terasawa, Shizuo Iwata | 1981-09-29 |
| 4269860 | Process for preparing a gas-developing chewing gum | Masatoshi Terasawa, Shizuo Iwata, Yoshihisa Suzuki, Hideki Tanakamaru | 1981-05-26 |
| 4254148 | Coldproof chewing gum | Shichigoro Tezuka, Takashi Maruyama, Kazuo Kiyokawa | 1981-03-03 |
| 4251548 | Chewing gum and method of preparation thereof | Shichigoro Tezuka, Masatoshi Terasawa, Hisashi Ishikawa | 1981-02-17 |
| 4202906 | Chewing gum base containing a thermally decomposed product of a natural rubber and a method of preparation thereof | Shichigoro Tezuka, Yoshinori Sato, Michio Moroe, Haruki Tsuruta, Toshio Yoshida | 1980-05-13 |