Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6287465 | Ozone deodorizer | Masanori Watanabe, Hiroshi Dazai | 2001-09-11 |
| 5693120 | Production method for low carbon molten steel using vacuum degassing and decarburization treatment | Yasuo Obana, Koichi Endoh, Makoto Moriguchi, Toshihiko Kaku, Shigenori Yagura | 1997-12-02 |
| 5020968 | System for controlling the rotating speed of a pneumatically driven spindle | Akio Yamada | 1991-06-04 |
| 4210115 | Warm air intake system for an internal combustion engine | Kengi Nishibori, Tadashi Ogawa | 1980-07-01 |