Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8087418 | Deaeration device and ultrasonic cleaning device using the same | Kazuyuki Saiki, Masaru Hase, Katsuhiro Koyama | 2012-01-03 |
| 7726325 | Deaeration device and ultrasonic cleaning device using the same | Kazuyuki Saiki, Masaru Hase, Katsuhiro Koyama | 2010-06-01 |