Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142097 | Ball joint | Shuji Ohmura, Shigeru Kuroda | 2012-03-27 |
| 7963510 | Compression coil spring device having a discrete support | Masahiro Umezawa, Tomotake Kato, Toshio Hamano | 2011-06-21 |