Inventor · disambiguated record
Hiroji Ohigashi
Also filed as: OHIGASHI HIROJI
14 granted patents·524 citations·filing 1974–2018
94Inventor score
Top patents by PatentIndex Score
14 records- 0193US3940637APolymeric piezoelectric key actuated deviceTORAY INDUSTRIES·Filed 1974·Granted Feb 24, 1976·147 cites·7 claims
- 0292US4234813APiezoelectric or pyroelectric polymer input element for use as a transducer in keyboardsTORAY INDUSTRIES·Filed 1979·Granted Nov 18, 1980·72 cites·7 claims
- 0391US4424465APiezoelectric vibration transducerTORAY INDUSTRIES·Filed 1982·Granted Jan 3, 1984·63 cites·20 claims
- 0490US9200970B2Transparent piezoelectric sheet-with-A-frame, touch panel, and electronic device each having the transparent piezoelectric sheetKODANI TETSUHIRO·Filed 2011·Granted Dec 1, 2015·18 cites·19 claims
- 0587US9128547B2Transparent piezoelectric sheet, and transparent piezoelectric sheet-with-a-frame, touch panel, and electronic device each having the transparent piezoelectric sheetKODANI TETSUHIRO·Filed 2011·Granted Sep 8, 2015·15 cites·17 claims
- 0683US4383194AElectro-acoustic transducer elementTORAY INDUSTRIES·Filed 1980·Granted May 10, 1983·44 cites·14 claims
- 0782US4577132AUltrasonic transducer employing piezoelectric polymeric materialTORAY INDUSTRIES·Filed 1984·Granted Mar 18, 1986·37 cites·8 claims
- 0881US4296349AUltrasonic transducerTORAY INDUSTRIES·Filed 1980·Granted Oct 20, 1981·42 cites·11 claims
- 0977US4395652AUltrasonic transducer elementTORAY INDUSTRIES·Filed 1980·Granted Jul 26, 1983·37 cites·6 claims
- 1075US4578442APiezoelectric polymeric material, a process for producing the same and an ultrasonic transducer utilizing the sameTORAY INDUSTRIES·Filed 1983·Granted Mar 25, 1986·27 cites·11 claims
- 1160US5679753AFerroelectric polymer single crystalline body and method of producing the same and use thereofUNIV YAMAGATA·Filed 1995·Granted Oct 21, 1997·21 cites·16 claims
- 1253US11469366B2Piezoelectric film and method for producing sameIDEAL STAR INC·Filed 2018·Granted Oct 11, 2022·0 cites·9 claims
- 1348US10535811B2Piezoelectric film and process for producing sameIDEAL STAR INC·Filed 2016·Granted Jan 14, 2020·0 cites·5 claims
- 1442US6843941B2Method for fabricating a ferroelectric polymer filmOHIGASHI HIROJ·Filed 2002·Granted Jan 18, 2005·1 cites·12 claims
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