Hiroshi Shimizu
392Patents
33h-index
458Co-inventors
93Inventor score
Filing activity: Oct 30, 1972 → Mar 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5745049A | Wireless equipment diagnosis system | Emerging Cross-Sectional Technologies | 261 | Expired |
| US5867110A | Information reporting system | Physics | 239 | Expired |
| US6788928B2 | Cellular phone | Electricity | 185 | Expired |
| US5933478A | Data transfer system and handheld terminal device used therefor | Electricity | 144 | Expired |
| US4915516A | Thermal transfer recording apparatus with ink paper cassette | Performing Operations; Transporting | 112 | Expired |
| US4892425A | Thermal transfer recording apparatus and ink sheet cassette therefor | Performing Operations; Transporting | 110 | Expired |
| US5673262A | Communication network comprising transit switches without asynchronous transfer mode switching capability | Emerging Cross-Sectional Technologies | 100 | Expired |
| USRE34521E | Thermal transfer recording apparatus with ink paper cassette | General | 99 | Expired |
| US5452296A | Asynchronous transfer mode communication system | Electricity | 98 | Expired |
| US4533820A | Radiant heating apparatus | Electricity | 81 | Expired |
| US4493977A | Method for heating semiconductor wafers by a light-radiant heating furnace | Electricity | 81 | Expired |
| US5879568A | Process for producing multilayer printed circuit board for wire bonding | Electricity | 71 | Expired |
| US5005797A | Door mirror for vehicles | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5740369A | Information delivery system and portable information terminal | Electricity | 65 | Expired |
| US4550245A | Light-radiant furnace for heating semiconductor wafers | Electricity | 64 | Expired |
| US4742260A | Piezoelectrically driving device | Electricity | 61 | Expired |
| US5833023A | Vehicle body of electric vehicle | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5204575A | Surface acoustic wave resonator | Electricity | 56 | Expired |
| US4901090A | Inked sheet cassette and thermal transfer-type recording apparatus | Performing Operations; Transporting | 54 | Expired |
| US6470029B1 | Bandwidth control method in a network system | Electricity | 52 | Expired |
| US5293378A | Parallel multi-line packet transmission system | Electricity | 50 | Expired |
| US4814657A | Energy converting device | Electricity | 49 | Expired |
| US4926420A | Transmission system of a packet signal in an integrated network system using a frame format flexible for various forms of the integrated network system | Electricity | 48 | Expired |
| US4313832A | Method for treatment of aqueous solutions with ion exchange fibers | Performing Operations; Transporting | 47 | Expired |
| US4815071A | Packet-switched communications network for efficiently switching non-burst signals | Electricity | 45 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.