Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045581 | Butadiene polymer composition containing phenolic compound and phosphorus-containing compound | Takeshi Takata, Manji Sasaki, Kikumitsu Inoue, Shinya Tanaka | 1991-09-03 |
| 5019615 | Polyphenylene ether/polyester blend with nitrodiamine compound | Yukio Mizuno, Takashi Maruyama | 1991-05-28 |
| 5017663 | Resin composition | Yukio Mizuno, Takashi Maruyama | 1991-05-21 |
| 4985479 | Stabilized polyolefin composition | Hideo Nagasaki, Takeshi Takata, Hiroki Yamamoto, Yukoh Takahashi | 1991-01-15 |
| 4939196 | Hydroquinone type compound and its use as stabilizer for synthetic resin | Manji Sasaki, Kikumitsu Inoue, Shinya Tanaka, Fumitoshi Kojima, Takeshi Takata | 1990-07-03 |
| 4845244 | Production of hydroxyphenylpropionic acid ester having a novel crystalline structure | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1989-07-04 |
| 4829112 | Polyolefin resin composition | Tamaki Ishii, Taisuke Okita, Manji Sasaki, Chinehito Ebina | 1989-05-09 |
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Tamaki Ishii, Masakatsu Yoshimura, Yukoh Takahashi, Hiroki Yamamoto | 1989-03-14 |
| 4769479 | Hydroxyphenylpropionic acid ester with novel crystalline structure and production thereof | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1988-09-06 |
| 4754045 | Method for producing hydroxyphenylpropionic acid ester | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1988-06-28 |
| 4739080 | Purification of hydroxyphenylpropionic acid ester | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1988-04-19 |
| 4732923 | Butadiene polymer composition | Takeshi Takata, Yukoh Takahashi, Manji Sasaki, Taisuke Okita | 1988-03-22 |
| 4725634 | Stabilizer for synthetic resins | Tamaki Ishii, Haruki Okamura, Yuzo Maegawa, Eizo Okino, Yukoh Takahashi +1 more | 1988-02-16 |
| 4721792 | "N,N',N"",N'""-tetrakis(substituted benzyl)-acetylenecarbamide derivatives" | Manji Sasaki, Chinehito Ebina, Haruki Okamura, Tamaki Ishii | 1988-01-26 |
| 4721744 | Stabilized polyurethane compositions | Tamaki Ishii, Manji Sasaki, Haruki Okamura, Masahisa Shionoya | 1988-01-26 |
| 4719037 | Piperidine derivatives, production process therefor, and stabilizers for organic substances containing said derivatives as an active component | Yukoh Takahashi, Yuzo Maegawa, Hiroki Yamamoto, Tatsuo Kaneoya, Haruki Okamura +1 more | 1988-01-12 |
| 4719257 | Polyolefin resin composition | Tamaki Ishii, Manji Sasaki, Haruki Okamura, Masahisa Shionoya | 1988-01-12 |
| 4717745 | Stabilized polyacetal resin compositions | Tamaki Ishii, Manji Sasaki, Haruki Okamura, Masahisa Shionoya | 1988-01-05 |
| 4670488 | Piperidine derivatives, their production and use as stabilizers | Yuzo Maegawa, Yukoh Takahashi, Eizo Okino, Tatsuo Kaneoya, Haruki Okamura +1 more | 1987-06-02 |
| 4670489 | Piperidine derivatives, their production and use as stabilizers | Yukoh Takahashi, Tatsuo Kaneoya, Eizo Okino, Yuzo Maegawa, Haruki Okamura +1 more | 1987-06-02 |
| 4603159 | Phenolic compounds and stabilizers containing the same | Tamaki Ishii, Manji Sasaki, Haruki Okamura, Masahisa Shinoya | 1986-07-29 |
| 4578410 | Piperidine derivatives, their production and stabilized polymer compositions containing same | Yukoh Takahashi, Takeo Fujii, Masahisa Shionoya, Tamaki Ishii | 1986-03-25 |
| 4578472 | 2,2,6,6-Tetramethylpiperidine and its production | Masakatsu Yoshimura, Takeo Fujii, Tamaki Ishii | 1986-03-25 |
| 4576734 | Stabilizer for synthetic resins | Tamaki Ishii, Manji Sasaki, Masahisa Shionoya, Haruki Okamura | 1986-03-18 |
| 4562281 | Production of bisphenol derivatives | Yukoh Takahashi, Yutaka Terada, Tamaki Ishii | 1985-12-31 |