Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210132 | Continuous process for preparing rubber modified high impact resin | Norifumi Ito, Mune Iwamoto, Kazuo Sugazaki, Toshihiko Ando, Yasuo Furuta +2 more | 1993-05-11 |
| 5191023 | Block-copolymerized-rubber-modified styrene copolymers | Mune Iwamoto, Norifumi Ito, Kazuo Sugazaki, Toshihiko Ando | 1993-03-02 |
| 5191046 | Transparent heat-resistant styrene-base copolymer | Mune Iwamoto, Norifumi Ito, Toshihiko Ando | 1993-03-02 |
| 4972024 | Anionically-polymerized-rubber-modified styrene copolymers | Mune Iwamoto, Norifumi Ito, Kazuo Sugazaki, Toshihiko Ando, Yasuo Furuta | 1990-11-20 |
| 4808661 | Rubber dispersed copolymer resin | Mune Iwamoto, Norifumi Ito, Kazuo Sugazaki, Toshihiko Ando | 1989-02-28 |
| 4789272 | Transportation method of synthetic rubber chips | Norifumi Ito, Mune Iwamoto, Toshihiko Ando | 1988-12-06 |
| 4758644 | Bromostyrene composition | Mune Iwamoto, Norifumi Ito, Kazuo Sugazaki, Toshihiko Ando | 1988-07-19 |
| 4699976 | Continuous process for the treatment of polymer composition to remove unreacted monomer and solvent | Norifumi Ito, Mune Iwamoto, Toshihiko Ando | 1987-10-13 |
| 4619959 | Continuous production process of styrene-base resin | Norifumi Ito, Kazuo Sugazaki, Kouzo Ichikawa, Mune Iwamoto, Toshihiko Ando | 1986-10-28 |
| 4587294 | Continuous process for producing rubber modified high-impact resins | Norifumi Ito, Kouzo Ichikawa, Kouichi Arahari, Tetsuo Maeda | 1986-05-06 |
| 4537954 | Process for the preparation of polymer compositions having low volatile content | Toshihiko Ando, Norifumi Ito, Kozo Ichikawa, Susumu Fukawa, Tetsuo Maeda | 1985-08-27 |
| 4460278 | Continuous bulk polymerization reactor | Norifumi Ito, Yuzuru Ishida, Mune Iwamoto, Tetsuo Maeda | 1984-07-17 |
| 4388447 | Process for producing rubber modified styrene resins | Mune Iwamoto, Norifumi Ito, Yuzuru Ishida, Yasuo Furuta | 1983-06-14 |
| 4378452 | Method of manufacturing rubber modified styrene resins | Mune Iwamoto, Norifumi Ito, Yuzuru Ishida | 1983-03-29 |
| 4376847 | Process for the production of styrene polymers | Norifumi Ito, Yuzuru Ishida, Mune Iwamoto | 1983-03-15 |