Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513180 | Cutting device for thin metallic plate | Yoshiyuki Minowa, Fumitaka Haga, Takeshi Yoshimura, Takeyuki Fujiyama, Taro Nakamura | 2009-04-07 |
| 7413496 | Method and device for polishing endless belt metal rings for continuously variable transmission | Takeshi Yoshimura, Yoshiyuki Minowa, Tsutomu Maruyama, Seiichi Minegishi, Yasuo Watanabe +4 more | 2008-08-19 |
| 7043955 | Forging die apparatus | Yoshihisa Doi, Tsukashi Ohama | 2006-05-16 |
| 6477882 | Forming machine | Yoshihisa Doi, Takeshi Tatsumi | 2002-11-12 |
| 6389868 | Forging die incorporated with a forging apparatus | Takeshi Tatsumi, Yoshihisa Doi | 2002-05-21 |
| 6205828 | Forging die, and method and apparatus for controlling the same | Takeshi Tatsumi, Yoshihisa Doi | 2001-03-27 |
| 6189362 | Forging die apparatus | Yoshihisa Doi, Tsukashi Ohama | 2001-02-20 |
| 6055838 | Method of forming outer ring of constant velocity joint | Tsukashi Ohama, Tomonori Nakamura, Mikio Kobayashi, Yoshihisa Doi | 2000-05-02 |
| 6035688 | Forging die apparatus | Yoshihisa Doi, Tsukashi Ohama | 2000-03-14 |
| 5511450 | Method of manufacturing forming die | — | 1996-04-30 |