Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981773 | Ring-opened copolymer | Shingo OKUNO | 2024-05-14 |
| 11718709 | Ring-opening copolymer composition | Shingo OKUNO | 2023-08-08 |
| 11535696 | Crosslinkable composition and crosslinked product | Shingo OKUNO, Hiroyuki Nitadori | 2022-12-27 |
| 11390709 | Liquid copolymer formed by ring-opening copolymerization of cyclopentene, crosslinkable composition, and crosslinked rubber object | — | 2022-07-19 |
| 11332610 | Rubber composition and crosslinked rubber | Shingo OKUNO | 2022-05-17 |
| 11286339 | Cyclopentene ring-opening copolymer and method of producing the same | Hiroyuki Nitadori, Shingo OKUNO | 2022-03-29 |
| 11267956 | Rubber composition and rubber crosslinked product | Shingo OKUNO, Hiroyuki Nitadori | 2022-03-08 |
| 11192975 | Crosslinked rubber | Shingo OKUNO | 2021-12-07 |
| 10774174 | Use of crosslinked rubber | Shingo OKUNO | 2020-09-15 |
| 10435497 | Cyclopentene ring-opening copolymer, method for producing same, and rubber composition | Takeshi Sugimura | 2019-10-08 |
| 10400060 | Cyclopentene ring-opening polymer and method of production of same, polymer composition, and cross-linked polymer | Fumiaki Bando | 2019-09-03 |
| 10344124 | Polyether-based polymer composition | The Ban Hoang, Keisuke Ohta, Shigetaka Hayano | 2019-07-09 |
| 10072101 | Cycloolefin rubber and method of production of same and rubber composition, cross-linked rubber, and tire | Shingo OKUNO, Naoaki KURAMOTO | 2018-09-11 |
| 9951247 | Polymerizable composition, cycloolefin-based polymer, cycloolefin-based resin molded body, and laminate | Mitsuteru Endo, Satoshi Kiriki | 2018-04-24 |
| 9469612 | Polyether compound and electrolyte composition | Shigetaka Hayano | 2016-10-18 |
| 9045617 | Ring-opening polymer of cyclopentene and method of production of same | Yoshihisa Takeyama | 2015-06-02 |
| 8889786 | Cyclopentene ring-opening polymer and method of production of same | Shigetaka Hayano, Takeshi Sugimura | 2014-11-18 |
| 8889806 | Ring-opening polymer of cyclopentene and method of production of same | Yoshihisa Takeyama | 2014-11-18 |
| 8013090 | Film comprising norbornene compound addition polymer | Atsushi Ishiguro, Yoshihisa Takeyama | 2011-09-06 |
| 7868107 | Process for producing cycloolefin addition polymer, catalyst for addition polymerization of cycloolefin, and transition metal compound | Kei Nishii, Sigetaka Hayano | 2011-01-11 |
| 7608671 | Norbornene ring-opened polymer hydrogenated product and process for producing same | Shigetaka Hayano | 2009-10-27 |
| 7238405 | Insulating material containing cycloolefin polymer | Yasuhiro Wakizaka, Junji Kodemura, Tohru Hosaka | 2007-07-03 |
| 7084222 | Ruthenium complexes, process for preparation thereof, and processes for producing open-ring polymer of cycloolefins and hydrogenation products thereof by using the complex as catalyst | Masato Sakamoto, Seiji Okada, Shintaro Ikeda, Wolfgang Anton Herrmann, Karl Oefele | 2006-08-01 |
| 7037993 | Norbornene-based ring-opening polymerization polymer, product of hydrogenation of norbornene-based ring-opening polymerization polymer, and processes for producing these | Kazunori Taguchi, Seiji Okada | 2006-05-02 |
| 6995226 | Open-ring copolymer, hydrogenated open-ring copolymer, process for production of both, and compositions | Kazunori Taguchi, Hitomi Takeuchi, Yasuhiro Wakisaka, Kei Sakamoto | 2006-02-07 |