Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796189 | Ultrasonic flowmeter having sequentially changed driving method | Yasuhiro Umekage, Yukio Nagaoka, Osamu Eguchi, Shuji Abe, Yuji Nakabayashi +5 more | 2004-09-28 |
| 6788620 | Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same | Seigo Shiraishi, Norihisa Takahara, Masaaki Suzuki, Kazuhiko Hashimoto, Takashi Hashida +1 more | 2004-09-07 |
| 6783211 | Ink-jet recording head | Emiko Igaki, Toru Ishida, Masakazu Tanahashi, Hidetomo Nagahara, Kiyohide Amemiya +2 more | 2004-08-31 |
| 6776051 | Ultrasonic transducer and ultrasonic flowmeter using same | Masaaki Suzuki, Takashi Hashida | 2004-08-17 |
| 6697299 | Individual authentication method, individual authentication apparatus, information communication apparatus equipped with the apparatus, and individual authentication system including the apparatus | Makoto Kato | 2004-02-24 |