Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086362 | Automotive engine valve mechanism system shim and lifter of these and cam shaft | Yutaka Mabuchi, Yoshiteru Yasuda, Masahiko Shioda, Mototaka Ishihara, Hisanori Ohara +2 more | 2006-08-08 |
| 6962751 | Amorphous carbon coated tools and method of producing the same | Haruyo Fukui, Yoshiharu Utsumi, Hisanori Ohara, Hideki Moriguchi, Satoru Kukino +4 more | 2005-11-08 |
| 6881475 | Amorphous carbon coated tool and fabrication method thereof | Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata, Haruyo Fukui, Yoshiharu Utsumi +5 more | 2005-04-19 |