Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578410 | Piperidine derivatives, their production and stabilized polymer compositions containing same | Yukoh Takahashi, Takeo Fujii, Masahisa Shionoya, Shinichi Yachigo | 1986-03-25 |
| 4576734 | Stabilizer for synthetic resins | Shinichi Yachigo, Manji Sasaki, Masahisa Shionoya, Haruki Okamura | 1986-03-18 |
| 4562281 | Production of bisphenol derivatives | Yukoh Takahashi, Yutaka Terada, Shinichi Yachigo | 1985-12-31 |
| 4539355 | Phosphorus-containing compounds, their production and their use as antioxidants | Yukoh Takahashi, Shinichi Yachigo | 1985-09-03 |
| 4525514 | Stabilizer for polymeric substance and polymeric substance composition containing the same | Shinichi Yachigo, Yukoh Takahashi, Yutaka Terada | 1985-06-25 |
| 4511491 | Stabilizers for synthetic resins | Shinichi Yachigo, Yukoh Takahashi | 1985-04-16 |
| 4507417 | Stabilizers for synthetic resins | Shinichi Yachigo, Yukoh Takahashi | 1985-03-26 |
| 4485202 | Isocyanuric acid ester stabilizer | Yutaka Terada, Shinichi Yachigo | 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, Shinichi Yachigo | 1984-05-15 |
| 4308180 | Sulfide resin for rubber | Haruki Okamura, Tetsuo Yamaguchi | 1981-12-29 |