Masaru Takahashi
181Patents
15h-index
268Co-inventors
89Inventor score
Filing activity: Jun 17, 1976 → Mar 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5550640A | Digital video signal recording and reproducing apparatus and method for setting a number of compression blocks according to different operational modes | Electricity | 64 | Expired |
| US6407614B1 | Semiconductor integrated switching circuit | Electricity | 53 | Expired |
| US5636316A | Picture signal digital processing unit | Electricity | 50 | Expired |
| USD513457S1 | Chair | General | 40 | Expired |
| US4486815A | Shutter device for control unit of control center | Electricity | 40 | Expired |
| US6181544A | Ceramic electronic component | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6804453B1 | Digital signal recording/reproducing apparatus | Electricity | 38 | Expired |
| USD513134S1 | Chair | General | 36 | Expired |
| US6046902A | Ceramic electronic part having u-shape terminals | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6424795B1 | Method and apparatus for recording and reproducing video data, and recording medium | Electricity | 35 | Expired |
| US4502097A | Control center having cabinet with improved lateral strength and safety | Electricity | 32 | Expired |
| US6882728B1 | Reproduction apparatus and decoding apparatus | Electricity | 26 | Expired |
| US5233337A | Light-emitting apparatus | Electricity | 25 | Expired |
| US6578949B2 | Ink jet recording device and method of driving and controlling the same | Performing Operations; Transporting | 20 | Expired |
| US6705712B2 | Ink cartridge, ink jet recording device using the same, and method for controlling the cleaning of a recording head of the ink jet recording device | Performing Operations; Transporting | 19 | Expired |
| US5146240A | Image forming apparatus with plural dot densities | Physics | 14 | Expired |
| US4819097A | Audio signal recording/reproducing system for use in time-lapse video tape recorder | Electricity | 13 | Expired |
| US7317837B2 | Encoding apparatus, video camera | Electricity | 13 | Expired |
| US6856760B2 | Recording medium | Electricity | 11 | Expired |
| US7172260B2 | Liquid spraying method, liquid spraying system, and liquid spraying execute program | Performing Operations; Transporting | 10 | Expired |
| US4040653A | Control device for stopping the withdrawing of unit cases | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4683993A | Hydraulic damper | Performing Operations; Transporting | 10 | Expired |
| US6754440B2 | Video reproducing method and apparatus | Electricity | 10 | Expired |
| US6989199B2 | Copper foil for printed-wiring board and copper-clad laminate using copper foil for printed-wiring board | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6984456B2 | Flexible printed wiring board for chip-on flexibles | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.