Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559787 | Connector having a female connector housing and a housing cover | Yoshinori Shigeta, Akihiro Tsurata, Hiromasa Kubota | 2009-07-14 |
| 7360388 | Hollow stepped shaft and method of forming the same | Shigeaki Yamanaka, Masahiro Dohi | 2008-04-22 |
| 7171837 | Hollow stepped shaft and method of forming the same | Shigeaki Yamanaka, Masahiro Dohi | 2007-02-06 |
| 7134312 | Die apparatus and die exchanging method in pressing machine | Shigeaki Yamanaka | 2006-11-14 |
| 7100417 | Lower die assembly in pressing machine | Shigeaki Yamanaka | 2006-09-05 |
| 6941783 | Double action oil hydraulic press | Shigeaki Yamanaka | 2005-09-13 |