Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7689299 | Rotary work lifter and working machine | — | 2010-03-30 |
| 6797917 | Laser machining head | Masahiko Hasegawa | 2004-09-28 |
HY
Hiroaki Yamaoku
Overall (All Time): #2,119,707 of 4,157,543Top 55%
2
Patents All Time