Junichi Tabata
17Patents
6h-index
13Co-inventors
59Inventor score
Filing activity: Oct 18, 1976 → Feb 26, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4309627A | Detecting circuit for a power source voltage | Physics | 115 | Expired |
| US4409538A | Charge control circuit | Electricity | 24 | Expired |
| US4519397A | Pulse detector | Human Necessities | 19 | Expired |
| US4513753A | Heartbeat rate indicator | Human Necessities | 14 | Expired |
| US4479121A | Electrochromic display device having constant color density and driving method therefor | Physics | 8 | Expired |
| US4349818A | Electrochromic display device | Physics | 7 | Expired |
| US4401984A | Electrochromic display device | Physics | 6 | Expired |
| US5085052A | Operating speed change-over device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4242681A | Driving system for display | Physics | 4 | Expired |
| US4204736A | Method and device for contact-printing | Physics | 3 | Expired |
| US4715384A | Pulsimeter | Human Necessities | 3 | Expired |
| US4443115A | Electronic timepiece with electrochromic display | Physics | 3 | Expired |
| US4316275A | Charging control circuit for electronic timepiece | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4401983A | Electrochromic display device exhibiting uniform coloration density | Physics | 2 | Expired |
| US4102119A | Electronic timepiece | Physics | 2 | Expired |
| US4077346A | Method of producing storage tank support block for low temperature liquified gas carrying vessels | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4354187A | Electrochromic display device | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.