Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174711 | Piston for internal combustion engine | Yositaka Tsujii | 2019-01-08 |
| 9181897 | Sliding member and method for producing sliding member | Yoshitaka Tsujii, Takahisa Tashiro, Mayumi Saruyama, Yuki Furukawa | 2015-11-10 |
| 9175401 | Process for producing sliding member and sliding member | Yoshitaka Tsujii, Mayumi Saruyama | 2015-11-03 |
| 8919319 | Piston for internal combustion engine | Mayumi Saruyama, Yositaka Tsujii | 2014-12-30 |
| 8151436 | Method of forming member, valve guide and method of forming the same, and method of forming tubular member | Takayuki Ohnuma, Takashi Kobayashi, Tsutomu Ando, Hidetaka Hiruma | 2012-04-10 |