Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10913821 | Polymer having aldaric acid as constitutional unit and method for producing same | Yukiko Rogers, Yuxin Wu, Hisaharu Masaki, Tetsuya Ito, Koji Hara | 2021-02-09 |
| 9057148 | High-strength polypropylene fiber and method for producing the same | Tatsuya Kitagawa, Chizuru Hongo | 2015-06-16 |
| 7938999 | High-strength fiber of biodegradable aliphatic polyester and process for producing the same | Toshihisa Tanaka, Yoshiharu Doi | 2011-05-10 |
| 7662325 | Polyhydroxyalkanoic acid fibers with high strength, fibers with high strength and high modulus of elasticity, and processes for producing the same | Yoshiharu Doi, Hideki Yamane | 2010-02-16 |
| 7241495 | Polyhydroxyalkanoic acid fibers with high strength, fibers with high strength and high modulus of elasticity, and processes for producing the same | Yoshiharu Doi, Hideki Yamane | 2007-07-10 |
| 5917002 | Poly(3-hydroxybutanoic acid) film | Yoshiharu Doi, Satoshi Kusaka | 1999-06-29 |