Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398879 | Method and apparatus for cleaning treatment | Mitsuhiro Sakai, Takeshi Tsukamoto, Yoichi Honda, Kiyomitsu Yamaguchi, Kimio Motoda +1 more | 2002-06-04 |
| 6391110 | Method and apparatus for cleaning treatment | Mitsuhiro Sakai, Takeshi Tsukamoto, Yoichi Honda, Kiyomitsu Yamaguchi, Tetsuya Sada +1 more | 2002-05-21 |