Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079299 | Mold release composition | Iwao Hisamoto, Masayoshi Shinjyo, Seiji Takubo | 1992-01-07 |
| 4962156 | Water- and oil-repellent composition | Masayoshi Shinjo, Sumiko Okamoto, Seiji Takubo | 1990-10-09 |