Hisashi Nishiyama
17Patents
10h-index
26Co-inventors
72Inventor score
Filing activity: Sep 12, 1986 → Feb 28, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4761061A | Method for fabrication of electrochromic device and the same fabricated by the method | Physics | 216 | Expired |
| US5070230A | Electrically heatable windshield | Electricity | 30 | Expired |
| US4751847A | Ultrasonic velocity meter | Physics | 26 | Expired |
| US5641558A | Window glass for an automobile | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD633814S1 | Test meter | General | 22 | Expired |
| USD724223S1 | Test meter | General | 17 | Active |
| US5111825A | Ultrasonic Doppler flow meter | Physics | 17 | Expired |
| US4905206A | Ultrasonic doppler flow meter | Physics | 16 | Expired |
| US4955386A | Pulse doppler flow speed meter | Physics | 10 | Expired |
| US5109858A | Pulse doppler measuring apparatus | Physics | 10 | Expired |
| US5107466A | Ultrasonic doppler flow meter | Physics | 10 | Expired |
| USD763315S1 | Portion of a display screen of a handheld device with transitional icon | General | 9 | Active |
| US4995397A | Pulse doppler flow speed meter | Physics | 7 | Expired |
| US5246006A | Apparatus for ultrasonic color flow mapping | Physics | 7 | Expired |
| US4884448A | Ultrasonic doppler meter | Physics | 7 | Expired |
| USD724224S1 | Test meter | General | 2 | Active |
| US8323303B2 | Lancing device | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.