Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8541490 | Aliphatic polyester resin composition and process for production thereof | Fumio Akutsu, Naoki Hayashi, Hiroyuki Sato, Akiko Watanabe | 2013-09-24 |
| 7543561 | Swirl generator | Kazushige Maruyama, Suminobu Otsubo, Toshio Hayashi | 2009-06-09 |