Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905122 | Thermoplastic composition with a granular surface appearance like marble | Katsumi Oishi | 1999-05-18 |
| 5672663 | Thermoplastic compositon with a granular surface appearance like marble | Katsumi Oishi | 1997-09-30 |
| 5489656 | Thermoplastic composition with a granular surface appearance like marble | Katsumi Oishi | 1996-02-06 |
| 5352747 | Light-diffusing polycarbonate resin compositions containing polymethyl silsesquioxane | Tomohide Fujiguchi, Katsumi Oishi | 1994-10-04 |