Inventor · disambiguated record
Hideyoshi Yamaoka
Also filed as: YAMAOKA HIDEYOSHI
16 granted patents·422 citations·filing 1982–1995
95Inventor score
Top patents by PatentIndex Score
16 records- 0193US4988165AObject lens driving deviceSHARP KK·Filed 1989·Granted Jan 29, 1991·55 cites·9 claims
- 0293US4544443AMethod for manufacturing an optical memory elementSHAP KABUSHIKI KAISHA·Filed 1984·Granted Oct 1, 1985·54 cites·16 claims
- 0392US4660190AOptical focus position control in optical disc apparatusSHARP KK·Filed 1983·Granted Apr 21, 1987·42 cites·19 claims
- 0490US4634617AOptical memory discSHARP KK·Filed 1984·Granted Jan 6, 1987·34 cites·13 claims
- 0587US5013494AProcess for preparing blazed hologramsSHARP KK·Filed 1989·Granted May 7, 1991·56 cites·11 claims
- 0683US4721368AOptical system in a magneto-optical memory deviceSHARP KK·Filed 1984·Granted Jan 26, 1988·23 cites·10 claims
- 0783US4573149AMagneto-optical head assembly with improved detection meansSHARP KK·Filed 1982·Granted Feb 25, 1986·32 cites·5 claims
- 0880US4610912AMagneto-optic memory elementSHARP KK·Filed 1984·Granted Sep 9, 1986·31 cites·15 claims
- 0977US5200941AOptical retrieval system for encoding pit angular data and optical recording element thereofSHARP KK·Filed 1989·Granted Apr 6, 1993·18 cites·3 claims
- 1076US4658390AOptical focus position control in an optical memory systemSHARP KK·Filed 1984·Granted Apr 14, 1987·22 cites·14 claims
- 1164US4658393AOptical memory discSHARP KK·Filed 1984·Granted Apr 14, 1987·11 cites·6 claims
- 1263US4739431AThin-film magnetic headSHARP KK·Filed 1985·Granted Apr 19, 1988·14 cites·4 claims
- 1360US5331623AOptical retrieval system for encoding pit angular data and optical recording element thereforSHARP KK·Filed 1992·Granted Jul 19, 1994·10 cites·17 claims
- 1460US5214636AOptical recording element having a plurality of thin film filtering layers and optical recording element having an electrically conductive layerSHARP KK·Filed 1989·Granted May 25, 1993·11 cites·26 claims
- 1547US5738765AMagneto-optic memory deviceSHARP KK·Filed 1995·Granted Apr 14, 1998·6 cites·39 claims
- 1638US5714251AMagneto-optic memory deviceSHARP KK·Filed 1995·Granted Feb 3, 1998·3 cites·94 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →