Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755075 | Ultra micro indentation testing apparatus | Nobuo Nagashima, Kensuke Miyahara | 2004-06-29 |
| 6546808 | Method of evaluating high fatigue strength material in high tensile strength steel and creation of high fatigue strength material | Tatsuaki Sawai, Takayuki Abe, Etsuo Takeuchi, Kensuke Miyahara, Hisashi Hirukawa +2 more | 2003-04-15 |
| 6457349 | Method of testing hardness of micro region | Kensuke Miyahara, Nobuo Nagashima | 2002-10-01 |
| 4181102 | Divided auxiliary combustion chamber for internal combustion engine | Shizuo Yagi, Hiroshi Kogure | 1980-01-01 |