Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766172 | Road vehicle communication method using light and radio | Kiyohito Tokuda, Kinya Asano, Masayuki Fujise, Fumihide Kojima, Masahiro Watanabe | 2004-07-20 |
| 5847678 | GPS receiver | — | 1998-12-08 |
| 5600328 | Demodulator circuit in global positioning system receiver | Akihisa Kawasaki, Izumi Satoh | 1997-02-04 |
| 5563608 | Position measuring system and method therefor | Ken Ikeda, Akihisa Kawasaki, Izumi Sato | 1996-10-08 |
| 5081462 | Method of deriving phase of pseudo-random code signal in global positioning system receiver | Ken Ikeda | 1992-01-14 |
| 4800577 | GPS receiver | Ken Ikeda, Akio Teranishi | 1989-01-24 |
| 4696058 | Diversity receiver | Akio Teranishi | 1987-09-22 |
| 4641260 | Digital signal processing apparatus for a blood flowmeter using ultrasound Doppler effect | Hiroshi Fukukita, Kuniaki Fukaya, Tsutomu Yano | 1987-02-03 |
| 4593700 | Ultrasonic wave blood flow meter | Yoshihiro Hayakawa, Yasuhiro Nakamura, Tsutomu Yano | 1986-06-10 |
| 4552152 | Ultrasonic diagnostic apparatus using Doppler effect | Tsutomu Yano, Hiroshi Fukukita, Kuniaki Fukaya, Akira Fukumoto | 1985-11-12 |
| 4470308 | Arc scan ultrasonic imaging system having diverging lens and path-length compensator | Yoshihiro Hayakawa, Tsutomu Yano, Hiroshi Fukukita, Kazuyoshi Irioka, Akira Fukumoto | 1984-09-11 |
| 4440025 | Arc scan transducer array having a diverging lens | Yoshihiro Hayakawa, Tsutomu Yano, Hiroshi Fukukita, Kazuyoshi Irioka, Akira Fukumoto | 1984-04-03 |
| 4423737 | Combination tomographic and cardiographic ultrasonic imaging method and system | Tsutomu Yano, Yoshihiro Hayakawa, Kazuyoshi Irioka, Hiroshi Fukukita, Akira Fukumoto | 1984-01-03 |
| 4368643 | Ultrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer array | Hiroshi Fukukita, Yoshihiro Hayakawa, Kazuyoshi Irioka | 1983-01-18 |
| 4348902 | Ultrasonic imaging system using plural square wave pulse trains of successively delayed intervals | Yoshihiro Hayakawa, Kazuyoshi Irioka, Hiroshi Fukukita, Tsutomu Yano, Akira Fukumoto | 1982-09-14 |
| 4330875 | Focusing circuit for ultrasound imaging system | Hiroshi Fukukita | 1982-05-18 |
| 4310907 | Scan converter for a sector scan type ultrasound imaging system | Yoshihiro Hayakawa, Hiroshi Fukukita, Tsutomu Yano, Kazuyoshi Irioka, Akira Fukumoto | 1982-01-12 |