Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540855 | Water battery device | Akihiro Hayakawa, Shinji Hayakawa | 2013-09-24 |
| 6579935 | Polyester resin composition | Yasuo Tanaka | 2003-06-17 |
| 6075091 | Composition of polyamide and acid or anhydride-grafted ethylene/C6-C20 .alpha.-olefin copolymer | Yasuo Tanaka | 2000-06-13 |
| 6008297 | Polyamide resin composition and process for producing the same | Yasuo Tanaka | 1999-12-28 |