Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200659 | Polyester, stretch blow molded product formed thereof and method for producing polyester | Yoshihiro Fujimori, Toshiyuki Hamano, Hitoshi Matsumoto, Katsuji Tanaka | 2001-03-13 |
| 6160085 | Polyester and process for its production | Yoshihiro Fujimori, Takashi Nakamura, Shuuji Anno, Michiko Yoshida, Toshiyuki Hamano | 2000-12-12 |
| 5444144 | Process for producing polyethylene terephthalate | Katsuji Tanaka, Yuka Nakazima | 1995-08-22 |
| 5239045 | Copolyester and hollow container and oriented film comprising the copolyester | Takuji Hirahara, Katsuji Tanaka | 1993-08-24 |