Toshiyuki Matsumoto
55Patents
12h-index
82Co-inventors
87Inventor score
Filing activity: Mar 17, 1977 → Jan 18, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4612656A | Digital indication type measuring apparatus | Physics | 45 | Expired |
| US6373264B1 | Impedance detection apparatus and method of physical variable | Electricity | 41 | Expired |
| US4578868A | Digital display measuring apparatus | Physics | 38 | Expired |
| US6335642B1 | Impedance-to-voltage converter | Physics | 24 | Expired |
| US4748861A | Electronic display measuring device | Physics | 17 | Expired |
| US6828806B1 | Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus | Electricity | 16 | Expired |
| US7994793B2 | Jig for detecting position | Electricity | 16 | Active |
| US6549237B1 | Image sensing apparatus capable of seeing image displayed on display device through finder | Electricity | 16 | Expired |
| US6012334A | Vibration wave detecting method and vibration wave detector | Physics | 15 | Expired |
| US6943839B1 | Photographic method at time of self-photography, and image sensing apparatus thereof | Electricity | 14 | Expired |
| US6348809B1 | Microscopic capacitance measurement system and probing system | Physics | 13 | Expired |
| US4427873A | Method and apparatus for aligning axes of assisting gas nozzles with laser beam axes in laser processing machines | Performing Operations; Transporting | 13 | Expired |
| US5239603A | Integrally-molded ceramic alignment sleeve for optical fiber connector and method of producing the same | Physics | 12 | Expired |
| US6034549A | Level shift circuit | Electricity | 11 | Expired |
| US6756790B2 | Impedance detection circuit, impedance detection device, and impedance detection method | Physics | 10 | Expired |
| US6331780A | Static capacitance-to-voltage converter and converting method | Physics | 10 | Expired |
| US8149005B2 | Jig for detecting position | Electricity | 9 | Active |
| US6326795A | Capacitance detection system and method | Electricity | 9 | Expired |
| US5341324A | Semiconductor device and manufacturing method thereof | Electricity | 8 | Expired |
| US6632532B1 | Particle material anisotropic conductive connection and anisotropic conductive connection material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6408875B1 | Piping structure of a working machine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4102537A | Seated-operator type tractor | Performing Operations; Transporting | 6 | Expired |
| US7383732B2 | Device for inspecting micro structure, method for inspecting micro structure and program for inspecting micro structure | Physics | 6 | Expired |
| US6227054A | Vibration wave detecting method and vibration wave detector | Physics | 6 | Expired |
| USD300009S | Dial gauge | General | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.