Tetsuya Matsushima
8Patents
5h-index
7Co-inventors
52Inventor score
Filing activity: Jul 20, 1989 → Dec 11, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908390A | Ultrasonic diagnostic apparatus | Physics | 46 | Expired |
| US5375470A | Acoustic imaging system | Physics | 46 | Expired |
| US5228007A | Ultrasonic beam forming system | Physics | 41 | Expired |
| US5353797A | Ultrasonic diagnostic apparatus | Physics | 16 | Expired |
| US5217017A | Ultrasonic receiving apparatus | Physics | 8 | Expired |
| US5976086A | Ultrasonic diagnostic apparatus and filter to obtain sequential frames of image data | Physics | 3 | Expired |
| US5138187A | Amplitude variable pulse generating circuit | Performing Operations; Transporting | 1 | Expired |
| US7796009B2 | Transaction quality system and quality assurance method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.