Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9199303 | Metal filling apparatus | Toshiji Takigawa, Toshihiro Hayami, Osamu Imai | 2015-12-01 |
| 7713378 | Ozone processing device | Tatsuo Kikuchi, Takeo Yamanaka, Tokiko Kanayama | 2010-05-11 |
| 6867150 | Ozone treatment method and ozone treatment apparatus | Tatsuo Kikuchi, Takeo Yamanaka, Tokiko Kanayama | 2005-03-15 |