Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294308 | Method of predicting a short circuit in an electrolytic finishing system | Haruki Sugiyama, Shogo Yoshioka | 1994-03-15 |
| 5028303 | Electrolytic finishing method | Youhei Kuwabara, Yasuhiro Iwasaki, Haruki Sugiyama, Yoshiharu Suzuki | 1991-07-02 |
| 4956060 | Finishing method employing electro-chemical machining, and an electro-chemical finishing machine | Yohei Kuwabara, Shogo Yoshioka, Haruki Sugiyama | 1990-09-11 |
| 4885066 | Electrolytic finishing method | Youhei Kuwabara | 1989-12-05 |
| 4883568 | Finishing method employing electro-chemical process | Yohei Kuwabara | 1989-11-28 |
| 4880509 | Electrolytic finishing method and apparatus | Youhei Kuwabara, Shogo Yoshioka, Haruki Sugiyama | 1989-11-14 |
| 4880516 | Electro-chemical machine | Youhei Kuwabara, Yasuhiro Iwasaki | 1989-11-14 |
| 4863579 | Power supply system for electrolytic processing apparatus | — | 1989-09-05 |
| 4861450 | Power supply system for electrolytic processing apparatus | Shogo Yoshioka | 1989-08-29 |
| 4842702 | Method for finishing a work | Youhei Kuwabara, Yasuhiro Iwasaki | 1989-06-27 |
| 4800006 | Electrolytic finishing system and method | Youhei Kuwabara, Masayoshi Moriya, Yasuhiro Iwasaki, Haruki Sugiyama | 1989-01-24 |