Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262214 | Lowly birefringent polymer, process for the production thereof, and optical pickup lens | Akira Yanagase, Toru Tokimitsu | 2001-07-17 |
| 6160070 | Process for the preparation of poly(meth)acrylic acid ester | Akira Yanagase, Toru Tokimitsu, Mitsufumi Nodono | 2000-12-12 |
| 5919867 | Block copolymer and a preparation process thereof | Hajime Yasuda, Eiji Ihara, Akira Yanagase, Hitoshi Ige, Toru Tokimitsu | 1999-07-06 |
| 5336725 | Method for preparing graft copolymer | Akira Nakata, Naoki Yamamoto | 1994-08-09 |
| 5187244 | Preparation process of block copolymers and resulting block copolymers | Masahiro Sugimori, Haruko Takeda | 1993-02-16 |
| 5177167 | Oxygen-permeable shaped articles and process for producing same | Hiroshi Mori, Naoki Yamamoto, Haruko Takeda, Masahiro Sugimori | 1993-01-05 |
| 5164452 | Process for preparation of antistatic agent and methacrylic resin composition | Haruko Takeda, Masahiro Sugimori | 1992-11-17 |
| 5116910 | Preparation method of comb copolymer, acrylic comb copolymer, and impact resistant resin composition | Haruko Takeda, Masahiro Sugimori | 1992-05-26 |
| 5053461 | Preparation method of comb copolymer, acrylic comb copolymer, and impact resistant resin composition | Haruko Takeda, Masahiro Sugimori | 1991-10-01 |