Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586951 | Displacement detecting device | Keiji Yasuda, Kouji Akashi | 2003-07-01 |
| 6101879 | Rotation speed sensor | Katsuyoshi Shirai, Satohiko Nakano | 2000-08-15 |
YH
Yuji Hiraiwa
Overall (All Time): #2,203,963 of 4,157,543Top 55%
2
Patents All Time