Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163002 | Method for producing olefinic resin porous material | Kohei MATSUNOBU | 2024-12-10 |
| 11725090 | Method for producing olefinic resin porous material | Kohei MATSUNOBU | 2023-08-15 |
| 4896008 | Vacuum discharge device | Shinichi Aoki | 1990-01-23 |
| 4713444 | Finishing method of polymer slurry | Takatoshi Suzuki, Takeshi Chigusa | 1987-12-15 |
| RE32542 | Molded products of polypropylene | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Seiichiro Ima | 1987-11-10 |
| 4517246 | Particulate polyolefin molding material | Kenji Ochi, Hiroyuki Ogawa, Takuya Suzaki, Kazuyoshi Imai | 1985-05-14 |
| 4461881 | Process for the production of purified propylene homopolymers or copolymers | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Takatoshi Suzuki | 1984-07-24 |
| 4455344 | Granules with a narrow particle size distribution comprising filler, crystalline polyolefin powder and binder | Kenji Ochi, Hiroyuki Ogawa, Takatoshi Suzuki | 1984-06-19 |
| 4414373 | Propylene-ethylene copolymer having improved stretchability | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Seiichiro Ima, Katsuyoshi Yamashita | 1983-11-08 |
| 4408024 | Method for the heat removal from polymerization reactor | Hitoshi Hashimoto | 1983-10-04 |
| 4367322 | Process for producing propylene copolymer | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Akira Nunose, Masaharu Nishioka | 1983-01-04 |
| 4355144 | Process for producing a propylene-ethylene copolymer having improved stretchability | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Seiichiro Ima, Katsuyoshi Yamashita | 1982-10-19 |
| 4283463 | Molded products of polypropylene | Akinobu Shiga, Masahiro Kakugo, Yukio Naito, Seiichiro Ima | 1981-08-11 |
| 4273905 | Process for producing propylene polymer or copolymer | Mamoru Asada, Akinobu Shiga, Masahiro Kakugo | 1981-06-16 |
| 4257533 | Method of discharging slurry by varying valve openings | Shozi Ishikawa, Seizi Hirata, Tsutomu Ogura | 1981-03-24 |
| 4208530 | Process for the recovery of atactic polymers | — | 1980-06-17 |
| 4195145 | Process for the purification of highly crystalline polyolefins | Akinobu Shiga, Masahiro Kakugo, Takatoshi Suzuki | 1980-03-25 |
| 4182852 | Process for refining a homopolymer of copolymer of propylene | Akinobu Shiga, Masahiro Kakugo, Takatoshi Suzuki | 1980-01-08 |