Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7201544 | Deep hole boring drill | Kazuhiro Nakashima, Norihiro Masuda | 2007-04-10 |
KT
Koichi Tsuzaki
Overall (All Time): #3,382,590 of 4,157,543Top 85%
1
Patents All Time