Assignee
YAMAMOTO YUJIRO
7 granted patents·196 citations·filing 1975–1986
Top patents by PatentIndex Score
7 records- 0197US4093883APiezoelectric multimorph switchesYAMAMOTO YUJIRO·Filed 1977·Granted Jun 6, 1978·87 cites·12 claims
- 0286US4042967AGround fault sensorYAMAMOTO YUJIRO·Filed 1975·Granted Aug 16, 1977·34 cites·13 claims
- 0370US4395651ALow energy relay using piezoelectric bender elementsYAMAMOTO YUJIRO·Filed 1981·Granted Jul 26, 1983·18 cites·29 claims
- 0460US4879495AIllumination control methods and meansYAMAMOTO YUJIRO·Filed 1986·Granted Nov 7, 1989·17 cites·5 claims
- 0556US4386341ASecurity apparatus with audible alarm of enhanced urgencyYAMAMOTO YUJIRO·Filed 1981·Granted May 31, 1983·16 cites·6 claims
- 0652US4220947AHeadlamp and security alarm control systemYAMAMOTO YUJIRO·Filed 1978·Granted Sep 2, 1980·11 cites·17 claims
- 0751US4479114AOmnidirectional acceleration alarm and switch thereforYAMAMOTO YUJIRO·Filed 1982·Granted Oct 23, 1984·13 cites·10 claims
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