Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294233 | Additive for organic medium or thermoplastic polymer | Shizuo Kitahara, Hiroyuki Watanabe, Takuji Kishimoto, Takafumi Kawanaka, Kohkichi Noguchi | 1994-03-15 |
| 5110886 | Compatibilizing agent and polymer blend composition using the same | Shizuo Kitahara | 1992-05-05 |