Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212256 | Thermoplastic resin composition | Yukio Mizuno, Takashi Maruyama, Hiroomi Abe | 1993-05-18 |
| 4562281 | Production of bisphenol derivatives | Yukoh Takahashi, Shinichi Yachigo, Tamaki Ishii | 1985-12-31 |
| 4525514 | Stabilizer for polymeric substance and polymeric substance composition containing the same | Shinichi Yachigo, Tamaki Ishii, Yukoh Takahashi | 1985-06-25 |
| 4485202 | Isocyanuric acid ester stabilizer | Shinichi Yachigo, Tamaki Ishii | 1984-11-27 |
| 4448915 | Acetylene carbamide derivatives, processes for their production, and antioxidants for organic substances which comprise such derivatives as active ingredients | Yukoh Takahashi, Shinichi Yachigo, Tamaki Ishii | 1984-05-15 |