Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329031 | Polyester resin composition and reduced pressure blood-collecting tube | Mitsuhiro Harada, Hirotoshi Sonoda, Yoshitaka Eto | 2001-12-11 |
| 4680345 | Continuous production of elastic polyesters | Takuma Kobayashi, Noritsugu Kaneshige, Osamu Makimura | 1987-07-14 |
| 4670510 | Polyester type block copolymer composition | Takuma Kobayashi, Shigeo Kobayashi | 1987-06-02 |
| 4584353 | Polyester block copolymer composition | Takuma Kobayashi, Chikara Sugitawa, Shigeo Kobayashi | 1986-04-22 |
| 4500686 | Polyester type block copolymer composition | Takuma Kobayashi, Shigeo Kobayashi | 1985-02-19 |