Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539355 | Phosphorus-containing compounds, their production and their use as antioxidants | Yukoh Takahashi, Tamaki Ishii | 1985-09-03 |
| 4525514 | Stabilizer for polymeric substance and polymeric substance composition containing the same | Tamaki Ishii, Yukoh Takahashi, Yutaka Terada | 1985-06-25 |
| 4511491 | Stabilizers for synthetic resins | Tamaki Ishii, Yukoh Takahashi | 1985-04-16 |
| 4507417 | Stabilizers for synthetic resins | Tamaki Ishii, Yukoh Takahashi | 1985-03-26 |
| 4485202 | Isocyanuric acid ester stabilizer | Yutaka Terada, 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 | Yutaka Terada, Yukoh Takahashi, Tamaki Ishii | 1984-05-15 |
| 4385143 | Stabilizer for synthetic resins | Yuko Takahashi, Tsutomu Mitsuda, Mitsuhisa Nakatani | 1983-05-24 |