Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592743 | Production of gas separators for use in fuel cells and equipment used therefor | Masanori Matsukawa, Ryuta Kimata, Kenji Dewaki, Shinji Dewaki | 2003-07-15 |
| 5078839 | Method for centering in an electrolytic finishing system | Haruki Sugiyama | 1992-01-07 |
| 5028303 | Electrolytic finishing method | Teruo Asaoka, Yasuhiro Iwasaki, Haruki Sugiyama, Yoshiharu Suzuki | 1991-07-02 |
| 5015347 | Electrolytic finishing method | Haruki Sugiyama | 1991-05-14 |
| 4885066 | Electrolytic finishing method | Teruo Asaoka | 1989-12-05 |
| 4880509 | Electrolytic finishing method and apparatus | Teruo Asaoka, Shogo Yoshioka, Haruki Sugiyama | 1989-11-14 |
| 4880516 | Electro-chemical machine | Teruo Asaoka, Yasuhiro Iwasaki | 1989-11-14 |
| 4842702 | Method for finishing a work | Teruo Asaoka, Yasuhiro Iwasaki | 1989-06-27 |
| 4800006 | Electrolytic finishing system and method | Teruo Asaoka, Masayoshi Moriya, Yasuhiro Iwasaki, Haruki Sugiyama | 1989-01-24 |