Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8152942 | Method of hardening surface of metallic part, piston, cylinder head, and cylinder block each produced using the surface-hardening method, and process for producing the same | Tomoya Ogino, Masanori Oka | 2012-04-10 |
| 6643910 | Device and method for molding motor coils | Susumu Aoki | 2003-11-11 |
| 6267657 | Grinding swarf collector | Satoshi Tawara, Hiroshi Yasukura | 2001-07-31 |
| 5907625 | Piezoelectric element and piezoelectric acoustic device | Fumihisa Ito, Hiroshi Ito | 1999-05-25 |
| 5784340 | Piezoelectric acoustic device | — | 1998-07-21 |
| 5761324 | Piezoelectric acoustic device | Hiroshi Ito, Fumihisa Ito | 1998-06-02 |
| 5634258 | Method for forming coils of motor rotors | Tsugio Onodera | 1997-06-03 |