Inventor

SHIMAKAWA GEORGE

3 patents

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

MATSUSHIMA KOGYO KK

2 patents

US4293986AOct 13, 1981

Method of making a quartz crystal oscillator

MATSUSHIMA KOGYO KK89 citations92

US4288284ASep 8, 1981

Method of producing housing element for quartz crystal oscillator

MATSUSHIMA KOGYO KK12 citations72

SUWA SEIKOSHA KK

1 patent

US3945001AMar 16, 1976

Numeric display configuration

SUWA SEIKOSHA KK12 citations69