Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469165 | Process for preparation of polyaminotriazines | Kenji Kimura, Shinya Tanaka | 2002-10-22 |
| 5717053 | Co-condensation product and rubber composition containing the same | Naoki Inui, Hideo Nagasaki, Kazuaki Yamamoto, Hironobu Iyama | 1998-02-10 |
| 5714612 | Hindered piperidine stabilizers and production thereof | Kenji Kimura, Motohiko Samizo, Shinya Tanaka, Yukihiro Honda, Shinichi Yachigo | 1998-02-03 |
| 5698717 | Process for preparing hydroxyflavan compounds | Hironobu Iyama, Naoki Inui, Kyoko Tsuta, Hideo Nagasaki | 1997-12-16 |
| 5576365 | Phosphorus type stabilizer and an organic material stabilized by the same | Kanako Fukuda, Tetsuo Yamaguchi, Shinya Tanaka | 1996-11-19 |
| 5506286 | Method for stabilizing an organic material using a hindered piperidine compound | Kenji Kimura, Motohiko Samizo, Shinya Tanaka, Yukihiro Honda, Shinichi Yachigo | 1996-04-09 |
| 5384348 | Hindered piperidine stabilizers and production thereof | Kenji Kimura, Motohiko Samizo, Shinya Tanaka, Yukihiro Honda, Shinichi Yachigo | 1995-01-24 |
| 5362794 | Rubber composition having excellent gripping power and rolling resistance, and production thereof | Naoki Inui, Kazuaki Yamamoto, Hideo Nagasaki, Shinichi Yachigo | 1994-11-08 |
| 5338869 | Hydroxyphenylpropionic ester having novel crystal structure | Kikumitsu Inoue, Shinichi Yachigo | 1994-08-16 |
| 5322947 | Process for producing N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)alkanediamine | Shinya Tanaka, Shinichi Yachigo, Hiroki Yamamoto, Eiiti Yoneyama | 1994-06-21 |
| 5290495 | Process for granulating 2,2,6,6-tetramethylpiperidine-containing light stabilizer | Norimitsu Numadate, Isao Nakamae, Hiroki Yamamoto | 1994-03-01 |
| 5214193 | Production of bisphenol monoester | Kikumitsu Inoue, Kazuaki Yamamoto, Shinichi Yachigo | 1993-05-25 |
| 5191003 | Rubber composition | Naoki Inui, Chinehito Ebina, Miyuki Oikawa, Hideo Nagasaki, Shinichi Yachigo | 1993-03-02 |
| 5128398 | Phenolic compound and its use as stabilizer for butadiene polymer | Shinichi Yachigo, Kikumitsu Inoue, Shinya Tanaka, Takeshi Takata, Kanako Ida | 1992-07-07 |
| 5047461 | Butadiene polymer composition contains phenolic compound and sulfur-containing compound | Takeshi Takata, Shinichi Yachigo, Kikumitsu Inoue, Shinya Tanaka | 1991-09-10 |
| 5045581 | Butadiene polymer composition containing phenolic compound and phosphorus-containing compound | Takeshi Takata, Shinichi Yachigo, Kikumitsu Inoue, Shinya Tanaka | 1991-09-03 |
| 4963605 | Stabilized polyolefin composition | Yoshiharu Fukui, Kazuhisa Kuroda, Tamaki Ishii | 1990-10-16 |
| 4939196 | Hydroquinone type compound and its use as stabilizer for synthetic resin | Shinichi Yachigo, Kikumitsu Inoue, Shinya Tanaka, Fumitoshi Kojima, Takeshi Takata | 1990-07-03 |
| 4845244 | Production of hydroxyphenylpropionic acid ester having a novel crystalline structure | Chinehito Ebina, Haruki Okamura, Shinichi Yachigo, Tamaki Ishii | 1989-07-04 |
| 4839408 | Stabilized polyolefin composition | Yoshiharu Fukui, Kazuhisa Kuroda, Tamaki Ishii | 1989-06-13 |
| 4829112 | Polyolefin resin composition | Tamaki Ishii, Shinichi Yachigo, Taisuke Okita, Chinehito Ebina | 1989-05-09 |
| 4769479 | Hydroxyphenylpropionic acid ester with novel crystalline structure and production thereof | Chinehito Ebina, Haruki Okamura, Shinichi Yachigo, Tamaki Ishii | 1988-09-06 |
| 4754045 | Method for producing hydroxyphenylpropionic acid ester | Chinehito Ebina, Haruki Okamura, Shinichi Yachigo, Tamaki Ishii | 1988-06-28 |
| 4739080 | Purification of hydroxyphenylpropionic acid ester | Chinehito Ebina, Haruki Okamura, Shinichi Yachigo, Tamaki Ishii | 1988-04-19 |
| 4732923 | Butadiene polymer composition | Takeshi Takata, Shinichi Yachigo, Yukoh Takahashi, Taisuke Okita | 1988-03-22 |