Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9973857 | Piezoelectric speaker and electroacoustic transducer | Takashi Tomita, Hiroshi Hamada, Shigeo Ishii, Yutaka Doshida, Yoshiyuki Watanabe | 2018-05-15 |
| 8112182 | Mass flow rate-controlling apparatus | Takao Gotoh, Tohru Matsuoka, Shigehiro Suzuki | 2012-02-07 |
| 7447324 | Piezoelectric sounding body and electronic device using the same | Tatsuyuki Ogawa, Hiroaki Uenishi, Shigeo Ishii, Yoshiyuki Watanabe | 2008-11-04 |
| 6843123 | Flow rate sensor, flow rate measuring device, and flow rate control device | Makoto Tanaka | 2005-01-18 |
| 6062246 | Mass flow controller and operating method thereof | Makoto Tanaka, Yasuo Sakaguchi | 2000-05-16 |