Hiroshi Kitamura
66Patents
15h-index
74Co-inventors
87Inventor score
Filing activity: Dec 10, 1979 → Jan 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562501A | Female electrical contact with stop for resilient contact | Electricity | 195 | Expired |
| US9363285B2 | Communication system, network for qualification screening/setting, communication device, and network connection method | Electricity | 85 | Active |
| US5037475A | Colored metallic pigment, method for the production of same and products containing same | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6250952A | Air bag connector | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5053661A | Geared motor with an improved lubricating seal | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5219305A | Filter connector and method of manufacture | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5534584A | Glass-reinforced thermoplastic resin compositions containing the anatase form of titanium dioxide as a white pigmenting agent | Chemistry; Metallurgy | 26 | Expired |
| US5079470A | Standing-wave type ultrasonic motor and timepiece | Electricity | 22 | Expired |
| US4798748A | Artificial fur | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5829994A | Lever-type connector | Electricity | 20 | Expired |
| US5365139A | Electronic apparatus with ultrasonic motor | Electricity | 18 | Expired |
| US5928012A | Lever-type connector | Electricity | 16 | Expired |
| US6340031B1 | Check valve for refueling pipe of fuel tank | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5212222A | Melt-stable recyclable carbon black-laden polyacetal resin molding compositions and molded articles formed of the same | Chemistry; Metallurgy | 15 | Expired |
| US6386928B2 | Electrical contact | Electricity | 15 | Expired |
| US6775296B1 | Method and system of communicating by establishing one virtual connection between terminals, a terminal device, and a protocol repeater/converter | Electricity | 12 | Expired |
| US6577034B1 | Geared motor | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4972215A | Lens driving apparatus for a camera | Physics | 10 | Expired |
| US5988260A | Method for controlling injection in a die casting machine and apparatus for the same | Performing Operations; Transporting | 9 | Expired |
| US5957192A | Method for controlling injection in a die casting machine and apparatus for the same | Performing Operations; Transporting | 9 | Expired |
| US6039586A | Lever type connector | Electricity | 8 | Expired |
| US7380543B2 | Fuel vapor release suppression system for fuel tank | Emerging Cross-Sectional Technologies | 6 | Active |
| US8770175B2 | Evaporation fuel processing system and purging method therefor | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US4781951A | Artificial fur | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6581379B2 | Pressure intensifying apparatus for hydraulic cylinder | Mechanical Engineering; Lighting; Heating | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.