Koichi Murakami
92Patents
22h-index
102Co-inventors
91Inventor score
Filing activity: Aug 21, 1979 → Feb 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USRE36923E | Sheet stapler | General | 486 | Expired |
| US4706374A | Method of manufacture for semiconductor accelerometer | Physics | 88 | Expired |
| US4838088A | Pressure transducer and method for fabricating same | Performing Operations; Transporting | 76 | Expired |
| US6392644B1 | Three-dimensional graphics display system | Physics | 73 | Expired |
| US4917366A | Sheet handling apparatus | Physics | 59 | Expired |
| US4869107A | Acceleration sensor for use in automotive vehicle | Physics | 55 | Expired |
| US6421693B1 | Method to automatically fill entry items of documents, recording medium and system thereof | Physics | 52 | Expired |
| US5064592A | Process of producing surface hardened woody decorative sheets | Performing Operations; Transporting | 48 | Expired |
| US5230457A | Sheet stapler | Performing Operations; Transporting | 40 | Expired |
| US6307554A | Apparatus and method for generating progressive polygon data, and apparatus and method for generating three-dimensional real-time graphics using the same | Physics | 36 | Expired |
| US4517606A | Apparatus for processing video signals | Electricity | 34 | Expired |
| US4978045A | Sheet stapler | Performing Operations; Transporting | 33 | Expired |
| US4965629A | Sheet finisher with a binder | Physics | 32 | Expired |
| US4928941A | Sheet sorter with stapler | Physics | 29 | Expired |
| US5032876A | Sheet finisher | Physics | 28 | Expired |
| US5951000A | Sheet post-processing apparatus | Performing Operations; Transporting | 28 | Expired |
| US5055247A | Process for producing woody moldings | Chemistry; Metallurgy | 27 | Expired |
| US4819044A | Vertical type MOS transistor and its chip | Electricity | 25 | Expired |
| US4315685A | Image forming apparatus | Physics | 24 | Expired |
| US5635823A | Current detector circuit | Electricity | 24 | Expired |
| US5121633A | Semiconductor accelerometer | Physics | 23 | Expired |
| US5636128A | Apparatus for detecting periodicity in time-series data | Physics | 23 | Expired |
| US5442734A | Image processing unit and method for executing image processing of a virtual environment | Physics | 22 | Expired |
| US4627709A | Automatic sheet feeder and an image recording apparatus provided therewith | Physics | 22 | Expired |
| US4551779A | Semiconductor switching circuit with an overcurrent protection | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.