Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9724762 | Surface-coated cutting tool with hard coating layer exhibiting excellent chipping resistance and wear resistance | Akira Sobana, Shin Nishida, Yoko Watanabe | 2017-08-08 |
| 7422824 | Active material of positive electrode for nonaqueous electrolyte secondary battery and process for producing the same | Shinji Arimoto, Masatoshi Nagayama, Hiroshi Yoshizawa | 2008-09-09 |
| 5669341 | Valve operating system for internal combustion engine | Akihito Ushirono, Takashi Sugai | 1997-09-23 |
| 4658770 | Supporting structure for rocker arms for engine valves | Susumu Toki, Keiji Tanabe | 1987-04-21 |
| 4621597 | Cylinder head for double overhead cam engine | Keiichi Kawada, Susumu Toki | 1986-11-11 |
| 4617883 | Pivot members for a cam follower of valve mechanism for internal combustion engine | Susumu Toki, Masahito Ishihara | 1986-10-21 |