Inventor
OHIGASHI HIROJI
14 patents
⚠️ This page may combine multiple inventors who share the name “OHIGASHI HIROJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TORAY INDUSTRIES
8 patentsUS4424465AJan 3, 1984
Piezoelectric vibration transducer
TORAY INDUSTRIES63 citations94
US3940637AFeb 24, 1976
Polymeric piezoelectric key actuated device
TORAY INDUSTRIES147 citations93
US4395652AJul 26, 1983
Ultrasonic transducer element
TORAY INDUSTRIES37 citations91
US4296349AOct 20, 1981
Ultrasonic transducer
TORAY INDUSTRIES42 citations91
US4234813ANov 18, 1980
Piezoelectric or pyroelectric polymer input element for use as a transducer in keyboards
TORAY INDUSTRIES72 citations91
US4578442AMar 25, 1986
Piezoelectric polymeric material, a process for producing the same and an ultrasonic transducer utilizing the same
TORAY INDUSTRIES27 citations90
US4577132AMar 18, 1986
Ultrasonic transducer employing piezoelectric polymeric material
TORAY INDUSTRIES37 citations90
US4383194AMay 10, 1983
Electro-acoustic transducer element
TORAY INDUSTRIES44 citations87
KODANI TETSUHIRO
2 patentsUS9200970B2Dec 1, 2015
Transparent piezoelectric sheet-with-A-frame, touch panel, and electronic device each having the transparent piezoelectric sheet
KODANI TETSUHIRO18 citations82
US9128547B2Sep 8, 2015
Transparent piezoelectric sheet, and transparent piezoelectric sheet-with-a-frame, touch panel, and electronic device each having the transparent piezoelectric sheet
KODANI TETSUHIRO15 citations82