Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051694 | Method of and apparatus for manufacturing shaft | Yoshimi Usui, Koichi Kawata, Masahiko Seki | 2011-11-08 |
| 7347077 | Method of manufacturing outer ring member for constant velocity joint | Kaoru Yamanoi | 2008-03-25 |
| 7090729 | Outer ring member for constant velocity joint and method of manufacturing the member | Tsukashi Oohama, Naomi Sato, Saburo Akimoto, Shigeo Ota | 2006-08-15 |
| 7043955 | Forging die apparatus | Yuichi Nagao, Tsukashi Ohama | 2006-05-16 |
| 6477882 | Forming machine | Yuichi Nagao, Takeshi Tatsumi | 2002-11-12 |
| 6389868 | Forging die incorporated with a forging apparatus | Yuichi Nagao, Takeshi Tatsumi | 2002-05-21 |
| 6205828 | Forging die, and method and apparatus for controlling the same | Yuichi Nagao, Takeshi Tatsumi | 2001-03-27 |
| 6189362 | Forging die apparatus | Yuichi Nagao, Tsukashi Ohama | 2001-02-20 |
| 6055838 | Method of forming outer ring of constant velocity joint | Tsukashi Ohama, Tomonori Nakamura, Mikio Kobayashi, Yuichi Nagao | 2000-05-02 |
| 6035688 | Forging die apparatus | Yuichi Nagao, Tsukashi Ohama | 2000-03-14 |
| 5490408 | Method of and apparatus for extruding a billet of a light metal alloy | Shoichi Ando, Makoto Otsubo | 1996-02-13 |
| 5115663 | Method for forming a crankshaft | Shyoichi Ando, Shuichi Yamane, Hisayuki Sakurai, Haruo Meguro | 1992-05-26 |