Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9993889 | Oil composition for electrical discharge machining | Tomohiko Kitamura, Ken Yamashita, Daiki Hanaoka | 2018-06-12 |
| 6946615 | Method and system for electric discharge machining insulating material or high resistance material | Naotake Mohri, Akihiro Goto, Takuji Magara | 2005-09-20 |
| 5569394 | Electric discharge machining method for insulating material using electroconductive layer formed thereon | — | 1996-10-29 |