Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187244 | Preparation process of block copolymers and resulting block copolymers | Masahiro Sugimori, Seiji Tone | 1993-02-16 |
| 5177167 | Oxygen-permeable shaped articles and process for producing same | Seiji Tone, Hiroshi Mori, Naoki Yamamoto, Masahiro Sugimori | 1993-01-05 |
| 5164452 | Process for preparation of antistatic agent and methacrylic resin composition | Seiji Tone, Masahiro Sugimori | 1992-11-17 |
| 5116910 | Preparation method of comb copolymer, acrylic comb copolymer, and impact resistant resin composition | Seiji Tone, Masahiro Sugimori | 1992-05-26 |
| 5053461 | Preparation method of comb copolymer, acrylic comb copolymer, and impact resistant resin composition | Seiji Tone, Masahiro Sugimori | 1991-10-01 |