Mitutoyo Mfg. Co., Ltd.
146Patents
0Active
146Granted
39Portfolio score
Filing activity: Sep 24, 1975 → Apr 20, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4743770A | Profile-measuring light probe using a change in reflection factor in the proximity of a critical angle of light | Physics | 197 | Expired |
| US4653011A | Method of measuring by coordinate measuring instrument and coordinate measuring instrument | Physics | 155 | Expired |
| US4402481A | Articulated device for service component | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4521112A | Optical measuring device with position indicator | Physics | 71 | Expired |
| US4631834A | Coordinate measuring instrument | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4612656A | Digital indication type measuring apparatus | Physics | 45 | Expired |
| US4229883A | Measuring instrument with digital display | Physics | 44 | Expired |
| US4516327A | Touch signal probe | Physics | 43 | Expired |
| US4578868A | Digital display measuring apparatus | Physics | 38 | Expired |
| US4377911A | Contour measuring instrument | Physics | 32 | Expired |
| US4912322A | Optical type displacement detecting device | Physics | 30 | Expired |
| US4679326A | Height gauge | Physics | 28 | Expired |
| US4279080A | Touch signalling probe | Physics | 28 | Expired |
| US4376543A | Dust excluding device | Physics | 27 | Expired |
| US4736313A | Digital indication type length measuring system | Physics | 26 | Expired |
| US4551919A | Measuring instrument | Physics | 25 | Expired |
| US4725720A | Microscope with auto focus and light adjusting means | Physics | 23 | Expired |
| US4677755A | Coordinate measuring instrument | Physics | 22 | Expired |
| US4648718A | Optical measuring system | Physics | 22 | Expired |
| US4652765A | Edge detecting device in optical measuring instrument | Physics | 20 | Expired |
| US4652738A | Edge detecting device in optical measuring instrument | Physics | 19 | Expired |
| US4748861A | Electronic display measuring device | Physics | 17 | Expired |
| US4727653A | Coordinate measuring instrument | Physics | 17 | Expired |
| US4665739A | Surface roughness measuring instrument | Physics | 16 | Expired |
| US4879552A | Variable capacitance type encoder | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.