Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669690 | Ultrasound treatment system | Mitsumasa Okada, Toshiya Sugai, Manabu Ishikawa, Tomohisa Sakurai | 2003-12-30 |
| 6610236 | Resin molded article and method for producing the same | Fumihiko Yamaguchi | 2003-08-26 |
| 6569109 | Ultrasonic operation apparatus for performing follow-up control of resonance frequency drive of ultrasonic oscillator by digital PLL system using DDS (direct digital synthesizer) | Tomohisa Sakurai, Kazue Tanaka, Hiroo Ono, Hiroyuki Takahashi | 2003-05-27 |