Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651473 | Extracorporeal blood circulating apparatus, closed-type venous reservoir and extracorporeal blood circulating method | Shigeki Kawarabata, Hiroyuki Maeda | 2010-01-26 |
| 5607988 | Stabilized polymeric material composition | Kazuo Maekawa, Kouzaburo Shinpo | 1997-03-04 |
| 5455347 | Piperidine compounds | Kazuo Maekawa, Kouzaburo Shinpo | 1995-10-03 |
| 4997888 | Weatherability and adherence of polypropylene | Tetsuo Sekiguchi, Masaki Yagi, Naotoshi Sonoda | 1991-03-05 |
| 4994529 | Weatherability and adherence of polypropylene | Tetsuo Sekiguchi, Masaki Yagi, Naotoshi Sonoda | 1991-02-19 |
| 4910238 | Poly(2,2,6,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers for synthetic polymer compositions | Etsuo Tobita | 1990-03-20 |
| 4898688 | Poly(2,2,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers for synthetic polymer compositions | Etsuo Tobita | 1990-02-06 |
| 4897438 | Stabilized synthetic resin composition | Tohru Kikuchi, Hiroyuki Kawakami, Takayuki Saito, Masaki Yagi, Hiroshi Takahashi | 1990-01-30 |
| 4885323 | Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-triazines | Motonobu Minagawa, Toshihiro Shibata, Etsuo Tobita | 1989-12-05 |
| 4871793 | Polyphenylene sulfide resin compositions having improved resistance to deterioration when exposed to light and containing alkylidene bis (benzotriazolylphenols) | Atsushi Nishimura, Toshio Nakajima | 1989-10-03 |
| 4820844 | Radiation sensitizer | Tsutomu Kagiya, Motonobu Minagawa, Ryoji Kimura, Tsuneo Tsubakimoto, Ryoichi Oshiumi +1 more | 1989-04-11 |
| 4812498 | Polycarbonate resin compositions having improved resistance to deterioration when exposed to light and containing alkylidene bis(benzotriazolyl phenols) | Atsushi Nishimura, Toshio Nakajima | 1989-03-14 |
| 4798836 | Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for synthetic polymers | Motonobu Minagawa, Bunji Hirai, Kazuo Sugibuchi | 1989-01-17 |
| 4767834 | Vinyl benzyl 2,2,6,6-tetramethyl piperidines | William E. Leistner, Bunji Hirai, Mitsuharu Kanai | 1988-08-30 |
| 4760141 | Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-triazines) as stabilizers for synthetic polymer compositions | Etsuo Tobita | 1988-07-26 |
| 4759871 | Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-triazines) as stabilizers for synthetic polymer compositions | Etsuo Tobita | 1988-07-26 |
| 4743688 | Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-triazines | Motonobu Minagawa, Toshihiro Shibata, Etsuo Tobita | 1988-05-10 |
| 4740544 | Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-triazines) as stabilizers for synthetic polymer compositions | Etsuo Tobita | 1988-04-26 |
| 4698381 | "N,N',N""-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane triamines as stabilizers for synthetic polymers" | Motonobu Minagawa, Toshihiro Shibata, Ryozo Arata | 1987-10-06 |
| 4692485 | Vinyl benzyl 2,2,6,6-tetramethyl piperidines | William E. Leistner, Bunji Hirai, Mitsuharu Kanai | 1987-09-08 |
| 4673701 | Alkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetramethyl piperidinyl groups and synthetic resin composition | Motonobu Minagawa, Toshihiro Shibata, Ryozo Arata | 1987-06-16 |
| 4670492 | Cyclic bis and tris phosphites and stabilized synthetic resin compositions | Tohru Haruna, Etsuo Tobita | 1987-06-02 |
| 4623685 | Thermosetting synthetic resin lacquer compositions of improved light stability | Motonobu Minagawa, Toshihiro Shibata, Ryozo Arata | 1986-11-18 |
| 4540728 | Diallyl-1,3,5-triazino-4-(2,2,6,6-tetramethyl piperidyl) amines as monomers and polymers and stabilized synthetic resin compositions | Ryoji Kimura | 1985-09-10 |
| 4529760 | Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters and synthetic polymer compositions | William E. Leistner, Motonobu Minagawa, Tohru Haruna, Atsushi Nishimura | 1985-07-16 |