Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352906 | Target object detecting device and target object detecting method | Nobuo Shibata | 2025-07-08 |
| 12241961 | Device and method for detecting target object | Yasunobu Asada, Shinya TANIMURA | 2025-03-04 |
| 7768875 | Underwater sounding apparatus capable of calculating fish quantity information about fish school and method of such calculation | Kohji Iida, Emi Okazaki | 2010-08-03 |
| 7460433 | Ultrasonic wave transmitting and receiving system for detecting underwater objects | Akira Okunishi, Kouzo Tokuyama, Koji Yokuda | 2008-12-02 |
| 7369461 | Acoustic transducer and underwater sounding apparatus | Kenichi Watanabe, Kouzo Tokuyama, Koji Tokuda, Ryouichi Suetoshi | 2008-05-06 |
| 7327636 | Underwater sounding apparatus and method capable of calculating fish school information, volume of fish school and backscattering strength of single fish | Shinji Ishihara, Emi Okazaki | 2008-02-05 |
| 7289390 | Ultrasonic transmitting/receiving apparatus and scanning sonar employing same | Minoru Handa, Shiroh Ozasa | 2007-10-30 |
| 7215599 | Ultrasonic transmitter, ultrasonic transceiver and sonar apparatus | Minoru Handa, Shiroh Ozasa, Masaru Nishida, Hiromune Matsumoto | 2007-05-08 |
| 7164621 | Underwater sounding apparatus | Akira Okunishi, Yasuo Ito | 2007-01-16 |
| 6856577 | Method and apparatus for forming a reception beam | Minoru Handa, Hiroshi Iino, Akira Okunishi | 2005-02-15 |
| 6839303 | Matched filter, receiving beam-forming apparatus and sonar system | Minoru Handa, Hiroshi Iino, Akira Okunishi | 2005-01-04 |
| 6778468 | Automatically tracking scanning sonar | Ken'ich Watanabe | 2004-08-17 |
| 6445646 | Signal processing method and apparatus, and sonar systems | Minoru Handa, Hideharu Morimatsu, Mitsuaki Watanabe | 2002-09-03 |
| 5561641 | Underwater detection system for determining carrier frequencies of signals arriving from a wide area | Itsuo Fukuoka, Takashi Yoshioka, Tatsuo Hayashi, Masato Kawai | 1996-10-01 |