Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512174 | Transmission determining method in a reception side apparatus | Yuuya Tounai, Masamitsu Nishikido, Nobuyuki Tanaka, Hidehiro Eguchi, Syouichi Morokuma | 2009-03-31 |
| 6569266 | Nitrided steel sliding member having improved wear resistance and fatigue strength | Shigeo Inoue | 2003-05-27 |
| 4876158 | Piston ring having a wear resistant surface layer | Junichi Sagawa, Tamotsu Watanabe, Toshio Yoshimitsu | 1989-10-24 |