Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8288463 | Polylactic acid based resin, polylactic acid based resin composition, molded body of polylactic acid based resin or polylactic acid based resin composition, and method for producing polylactic acid based resin | Tatsuhiro Urakami, Motoaki Isokawa | 2012-10-16 |
| 7534909 | (Meth) acrylic ester compound and use thereof | Atsuo Otsuji, Masatoshi Takagi, Akinori Nagatomo, Kouji Suesugi, Tetsuya Toida +1 more | 2009-05-19 |
| 7008571 | Optical component and sulfur-containing poly(thio)ester (co)polymer | Atsuo Otsuji, Kenichi Sugimoto, Mitsuo Nakamura, Masatoshi Takagi, Yasuhiro Nukii +1 more | 2006-03-07 |
| 6001891 | Biodegradable aliphatic polyester elastomer and preparation process of same | Masatoshi Takagi, Takeshi Kashima, Masanobu Ajioka, Yuji Terado | 1999-12-14 |
| 5914381 | Degradable polymer and preparation process of the same | Yuji Terado, Hiroshi Suizu, Masanobu Ajioka | 1999-06-22 |
| 5847011 | Degradable copolymer and preparation process thereof | Yuji Terado, Masanobu Ajioka | 1998-12-08 |
| 5817728 | Preparation of degradable copolymers | Hiroshi Suizu, Masatoshi Takagi, Takeshi Kashima, Yuji Terado, Ikumi Kitada +3 more | 1998-10-06 |
| 5637631 | Preparation process of degradable polymer | Ikumi Kitada, Masanobu Ajioka, Akihiro Yamaguchi | 1997-06-10 |
| 5428126 | Aliphatic polyester and preparation process thereof | Takeshi Kashima, Taiji Kameoka, Masanobu Ajioka, Akihiro Yamaguchi | 1995-06-27 |
| 5424477 | Preparation process of .alpha.-aspartyl-L-phenylalanine methyl ester | Ikumi Kitada, Akinori Nagatomo, Katashi Enomoto, Masanobu Ajioka, Akihiro Yamaguchi | 1995-06-13 |
| 5401796 | Aliphatic polyester and preparation process thereof | Takeshi Kashima, Taiji Kameoka, Masanobu Ajioka, Akihiro Yamaguchi | 1995-03-28 |
| 5302743 | Preparation of N-protected .alpha.-L-aspartyl-L-phenylalanine methyl ester | Toshio Katoh, Takeshi Oura, Masanobu Ajioka, Akihiro Yamaguchi | 1994-04-12 |
| 5283357 | Separation method of .alpha.-l-aspartyl-l-phenylalanine methyl ester | Toshio Katoh, Takeshi Oura, Masanobu Ajioka, Akihiro Yamaguchi | 1994-02-01 |
| 5206413 | Method for preparing .alpha.-L-aspartyl-L-phenylalanine methyl ester | Masanobu Ajioka, Takeshi Oura, Toshio Katoh, Akihiro Yamaguchi | 1993-04-27 |
| 5113009 | Preparation and isolation of mineral acid salt of an amino acid methyl ester | Masanobu Ajioka, Takeshi Oura, Toshio Katoh, Akihiro Yamaguchi | 1992-05-12 |
| 4962222 | Preparation process of .alpha.-l-aspartyl-l-phenylalanine methyl ester having low hygroscopicity | Ryuichi Mita, Toshio Katoh, Takeshi Oura, Akihiro Yamaguchi | 1990-10-09 |
| 4918216 | Preparation process of .alpha.-l-aspartyl-l-phenyl-alanine methyl ester or hydrohalide thereof | Ryuichi Mita, Toshio Katoh, Takeshi Oura, Akihiro Yamaguchi | 1990-04-17 |
| 4897506 | Isolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqueous medium | Ryuichi Mita, Takeshi Oura, Toshio Katoh, Akihiro Yamaguchi, Masanobu Ajioka | 1990-01-30 |
| 4801732 | Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl ester | Ryuichi Mita, Takeshi Oura, Toshio Katoh, Akihiro Yamaguchi | 1989-01-31 |
| 4780561 | Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereof | Ryuichi Mita, Takeshi Oura, Toshio Katoh, Akihiro Yamaguchi | 1988-10-25 |
| 4778916 | Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereof | Ryuichi Mita, Toshio Katoh, Takeshi Oura, Akihiro Yamaguchi | 1988-10-18 |
| 4745210 | Preparation process of N-formyl-.alpha.-aspartyl phenylalanine | Ryuichi Mita, Toshio Katoh, Takeshi Oura, Akihiro Yamaguchi | 1988-05-17 |
| 4675439 | Preparation process of N-acylphenylalanines | Ryuichi Mita, Toshio Katoh, Akihiro Yamaguchi | 1987-06-23 |
| 4612388 | Process for producing N-acylphenylalanines | Ryuichi Mita, Toshio Katoh, Akihiro Yamaguchi | 1986-09-16 |
| 4605759 | Process for production of .beta.-phenylserine | Ryuichi Mita, Toshio Katoh, Akihiro Yamaguchi | 1986-08-12 |