Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604433 | Ultrasonic transducer and ultrasonic flowmeter | Naoko Azuma, Masahiko Hashimoto, Tooru Ninomiya, Kenzo Ohji | 2003-08-12 |
| 6538363 | Method of manufacturing a piezoelectric element | Hidetomo Nagahara, Toshiharu Sato, Kiyohide Amemiya, Kazuhide Shioya, Emiko Igaki +1 more | 2003-03-25 |
| 6508133 | Ultrasonic flowmeter and ultrasonic generator/detector | Atsushi Watanabe, Toshiharu Sato, Naoko Azuma, Masahiko Hashimoto | 2003-01-21 |