Inventor
NAKAHARA MASAO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHARA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITUTOYO MFG CO LTD
10 patentsUS4485556ADec 4, 1984
Micrometer gauge
MITUTOYO MFG CO LTD21 citations81
US4476634AOct 16, 1984
Cylinder gauge
MITUTOYO MFG CO LTD20 citations73
US4438566AMar 27, 1984
Inner diameter measuring instrument
MITUTOYO MFG CO LTD10 citations73
US4288924ASep 15, 1981
Inside dimension measuring gauge
MITUTOYO MFG CO LTD17 citations72
US4420887ADec 20, 1983
Instrument for measuring a length
MITUTOYO MFG CO LTD17 citations71
USD252501SJul 31, 1979
Inner diameter micrometer
MITUTOYO MFG CO LTD2 citations62
US4136456AJan 30, 1979
Hole gauge
MITUTOYO MFG CO LTD3 citations62
US4355468AOct 26, 1982
Micrometer
MITUTOYO MFG CO LTD6 citations61
USD273664SMay 1, 1984
Micrometer
MITUTOYO MFG CO LTD2 citations60
USD274413SJun 26, 1984
Micrometer
MITUTOYO MFG CO LTD1 citations50