Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503708 | Method of and apparatus for removing an organic film | Kootaroo Koizumi, Sukeyoshi Tsunekawa, Takeshi Kimura, Keisuke Funatsu | 1996-04-02 |
| 5478401 | Apparatus and method for surface treatment | Sukeyoshi Tsunekawa, Keisuke Funatsu, Akio Inada, Masaro Kaku | 1995-12-26 |
| 5246526 | Surface treatment apparatus | Sumio Yamaguchi, Akio Inada | 1993-09-21 |
| 4587460 | High-pressure discharge lamp operating circuit | Seiichi Murayama, Makoto Yasuda, Tsune Miyashita, Yoji Arai, Kazunori Kinoshita | 1986-05-06 |
| 4314181 | Arc discharge lamp starting device | Kenji Narikiyo | 1982-02-02 |