Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536290 | Ultrasonic flowmeter and gas flowmeter using the same | — | 2003-03-25 |
| 6520027 | Ultrasonic flowmeter for measuring the flow rate of a gas or liquid by using an ultrasonic sensor | — | 2003-02-18 |
| 6188226 | Electric potential sensor | — | 2001-02-13 |
| 5987992 | Ultrasonic sensor with temperature compensation capacitor | Koichi Watanabe, Junshi Ohta, Masaharu Kota | 1999-11-23 |
| 5226313 | Body fluid excretion measurement apparatus for medical application | Michihiro Murata, Akira Kumada, Kenji Matsuo, Shigeo Yamazaki, Masaaki Kimura +1 more | 1993-07-13 |
| 5083460 | Level sensor | Akira Kumada, Kenji Matsuo | 1992-01-28 |