Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9273202 | Adhesive composition and adhesive containing the same | Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Hiroto Yasui | 2016-03-01 |
| 5842505 | Multi-layer pipe | Masaki Kohyama | 1998-12-01 |