Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771157 | Electrical discharge machining apparatus for forming minute holes in a workpiece | Takeo Sato, Nobuhiro Araki, Koichi Kawata | 1988-09-13 |
HM
Hisato Matsushita
Overall (All Time): #3,959,093 of 4,157,543Top 100%
1
Patents All Time