Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767674 | Metal cored board and method for manufacturing same | Hideaki Shirai, Koji Okawa, Hiroshi Ishibashi, Akihiro Ishii, Hirotaka Itoh +3 more | 1988-08-30 |
| 4695515 | Metal cored board and method for manufacturing same | Hideaki Shirai, Koji Okawa, Hiroshi Ishibashi, Akihiro Ishii, Hirotaka Itoh +3 more | 1987-09-22 |