Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6297930 | Magnetic head | Motoji Egawa | 2001-10-02 |
| 6226148 | Magnetic head | Motoji Egawa | 2001-05-01 |
| 5433001 | Method of producing piston ring | Takeshi Tsuchiya, Shuji Sameshima, Yoshio Onodera | 1995-07-18 |
| 5405154 | Piston ring | Takeshi Tsuchiya, Shuji Sameshima, Yoshio Onodera | 1995-04-11 |
| 5329456 | Material flow control device | Toshiya Kaihara, Hiroshi Imai, Kiyoshi Ide, Fumiaki Suzuki, Takao Shimizu | 1994-07-12 |
| 5292381 | Piston ring and process for manufacturing the same | Takeshi Tsuchiya, Shuji Sameshima, Yoshio Onodera | 1994-03-08 |