Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8642694 | Bio-based coating composition and its coated article | Koji Morita, Hirofumi Yamashita, Shiro Kobayashi, Masahiko Ishii | 2014-02-04 |
| 6569989 | Process for producing lactide and process for producing polylactic acid from fermented lactic acid employed as starting material | Masahiro Ito, Seiji Sawa | 2003-05-27 |
| 6313319 | Method for purifying lactide and lactide for food additives | Hisashi Okuyama, Makoto Ogaito, Yasuhiro Fujii, Tatsushi Kawamoto, Takashi Kawabe +1 more | 2001-11-06 |
| 5880254 | Method for producing polylactic acid and apparatus used therefor | Seiji Sawa, Yasuhiro Fujii, Masahiro Ito, Masaaki Oota | 1999-03-09 |
| 5866677 | Method and system for producing poly (lactic acid) | Hiroshi Maeda, Kunihiko Shimizu, Yutaka Miyakawa, Eiichi Kawada, Koji Yamamoto +3 more | 1999-02-02 |
| 5801025 | Method for producing L-lactic acid with high optical purity using bacillus strains | Masahito Yahata | 1998-09-01 |
| 5801255 | Method for producing lactide and apparatus used therefor | Makoto Ogaito | 1998-09-01 |
| 5770682 | Method for producing polylactic acid | Seiji Sawa, Masahiro Ito, Yasuhiro Fujii, Masaaki Oota, Hideshi Yamaguchi | 1998-06-23 |
| 5728847 | Method for recovering lactide from high-molecular weight polylactic acid | Toshio Okamoto | 1998-03-17 |
| 5508378 | Method for producing polylactic acid | Seiji Sawa, Tatsushi Kawamoto | 1996-04-16 |