Inventor

ISHIGAMI SUMIYUKI

JP4 patents

⚠️ This page may combine multiple inventors who share the name “ISHIGAMI SUMIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO DENPA KK

2 patents

US4550475ANov 5, 1985

Quartz unit

TOKYO DENPA KK7 citations70

US4486681ADec 4, 1984

Y-Shaped support for piezoelectric resonator

TOKYO DENPA KK14 citations70

MEISEI ELECTRIC CO LTD

1 patent

US4091679AMay 30, 1978

Vibrating quartz accelerometer

MEISEI ELECTRIC CO LTD23 citations79

AGENCY IND SCIENCE TECHN

1 patent

US4986670AJan 22, 1991

Temperature measurement device

AGENCY IND SCIENCE TECHN20 citations78