Hisashi Murata
22Patents
9h-index
22Co-inventors
75Inventor score
Filing activity: Sep 18, 1979 → Dec 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847859A | Optical reading device | Physics | 71 | Expired |
| US5144117A | Illumination type optical recorded information reading device | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4490007A | Optical fiber alignment mechanism and connectors using the same | Physics | 31 | Expired |
| USD378916S | Combined cradle and receiver for a bar code reader | General | 18 | Expired |
| US7037196B2 | Portable toy, portable information terminal, entertainment system, and recording medium | Human Necessities | 17 | Expired |
| US4659215A | Optical fiber test method and apparatus | Physics | 15 | Expired |
| USD378587S | Receiver for bar code reader | General | 14 | Expired |
| US5243182A | Photoelectric switch including synch timing signal emitter and detector and photoelectric detector system using the same | Electricity | 13 | Expired |
| US4738083A | Apparatus for supplying articles to a high-speed packing machine | Performing Operations; Transporting | 11 | Expired |
| USD374440S | Bar code reader | General | 9 | Expired |
| US4685272A | Sheet separating device in a packaging machine | Performing Operations; Transporting | 6 | Expired |
| US5708418A | Optical reading system | Physics | 4 | Expired |
| US8185011B2 | Cleaning device and image forming apparatus incorporating same | Physics | 3 | Active |
| US7327522B2 | Optical lens and method of manufacturing the same | Physics | 1 | Expired |
| US7865108B2 | Cleaning device and image forming device for charging residuals of toner evenly | Physics | 1 | Active |
| US9665030B2 | Image forming apparatus with a proximity charger | Physics | 1 | Active |
| US7499220B2 | Optical lens and method of manufacturing the same | Performing Operations; Transporting | 1 | Active |
| US9482981B2 | Image forming apparatus | Physics | 0 | Active |
| US9568851B2 | Image forming apparatus | Physics | 0 | Active |
| US10372055B2 | Image forming apparatus and method of controlling the same | Physics | 0 | Active |
| US9846383B2 | Image formation device having determination of charge voltage | Physics | 0 | Active |
| US8103184B2 | Image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.