Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058582 | Electrical discharge machining apparatus and electrical discharge machining method | Hisakatsu Kawarai, Syuichiro Ishihara, Hisashi Yamada | 2011-11-15 |
YN
Yoji Nakajima
Overall (2011): #122,391 of 364,097Top 35%
1
Patents 2011