Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028660 | Method for modifying the surface of polycarbonate resin | Rikizo Kobashi, Shigeyuki Takase, Hiroyuki Enomoto, Yasushi Hayasaki, Shingo Yamazaki | 1991-07-02 |
| 4929685 | Method for modifying the surface of polycarbonate resin | Rikizo Kobashi, Shigeyuki Takase, Hiroyuki Enomoto, Yasushi Hayasaki, Shingo Yamazaki | 1990-05-29 |