Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849341 | Formed article from hydraulic composition | Hiroo Ushioda, Satoshi Ozawa, Yasuhiko Shimada | 2005-02-01 |
| 6843761 | Paper feed roller and method of manufacture | Hiroo Ushioda, Satoshi Ozawa, Yasuhiko Shimada, Sousuke Miyaji, Noriyuki Kozakai +2 more | 2005-01-18 |
| 6758995 | Production method for paper feed roller | Hiroo Ushioda, Satoshi Ozawa, Yasuhiko Shimada | 2004-07-06 |
| 5173117 | Additives for roller compacted concrete pavement | Hisashi Inokawa, Kazuo Inada, Noriyuki Kozakai | 1992-12-22 |