Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359479 | Chewing gum containing an energy-rich phosphate compound | Hisashi Ishikawa, Takuo Uemura | 1982-11-16 |
| 4292329 | Center-filled chewing gum | Koichi Ogawa, Shichigoro Tezuka, Shizuo Iwata | 1981-09-29 |
| 4269860 | Process for preparing a gas-developing chewing gum | Koichi Ogawa, Shizuo Iwata, Yoshihisa Suzuki, Hideki Tanakamaru | 1981-05-26 |
| 4251548 | Chewing gum and method of preparation thereof | Koichi Ogawa, Shichigoro Tezuka, Hisashi Ishikawa | 1981-02-17 |