Inventor · disambiguated record
Yoshihiro Yokoyama
Also filed as: YOKOYAMA YOSHIHIRO
19 granted patents·1 pending application·790 citations·filing 1979–2003
96Inventor score
Top patents by PatentIndex Score
20 records- 0193US5590317ADocument information compression and retrieval system and document information registration and retrieval methodHITACHI LTD·Filed 1993·Granted Dec 31, 1996·121 cites·16 claims
- 0293US4736435AEar piece transducerSONY CORP·Filed 1981·Granted Apr 5, 1988·106 cites·5 claims
- 0385US4668842AHeadphoneSONY CORP·Filed 1984·Granted May 26, 1987·69 cites·7 claims
- 0481US5625810AData file apparatus for registering and retrieving data files in accordance with attribute information thereofHITACHI LTD·Filed 1994·Granted Apr 29, 1997·51 cites·13 claims
- 0579US5181260AMethod for determining the amount of skew of image, method for correcting the same, and image data processing systemHITACHI LTD·Filed 1990·Granted Jan 19, 1993·87 cites·11 claims
- 0679US4429194AEarphoneSONY CORP·Filed 1981·Granted Jan 31, 1984·61 cites·5 claims
- 0778US5034733AMethod and apparatus for rotating dots dataHITACHI LTD·Filed 1988·Granted Jul 23, 1991·40 cites·15 claims
- 0876US6005617AElectronic camera with mechanical subscannerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 21, 1999·54 cites·34 claims
- 0973US4376233ASecuring of lead wires to electro-acoustic transducersSONY CORP·Filed 1980·Granted Mar 8, 1983·42 cites·8 claims
- 1066US4609277AElectro photographic copier with photoconductive beltMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Sep 2, 1986·15 cites·4 claims
- 1164US5495322AElectrophotographic developing apparatus which utilizes single-component developing materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 27, 1996·14 cites·15 claims
- 1261US5369742AImage file and retrieving apparatus and methodHITACHI LTD·Filed 1991·Granted Nov 29, 1994·39 cites·12 claims
- 1361US5048101AElectronic filing deviceHITACHI LTD·Filed 1989·Granted Sep 10, 1991·16 cites·22 claims
- 1459US4279006AMagnetic tape recording and/or reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jul 14, 1981·9 cites·9 claims
- 1558US4943857ASynchronizing circuit for an external signal and an internal sampling clock signalHITACHI LTD·Filed 1988·Granted Jul 24, 1990·16 cites·5 claims
- 1656US5901254AApparatus and method for image reductionHITACHI LTD·Filed 1997·Granted May 4, 1999·26 cites·39 claims
- 1745US5452102AImage processing unitHITACHI LTD·Filed 1994·Granted Sep 19, 1995·9 cites·8 claims
- 1842US5353397ARegistration/search system for registering and searching image data using vector data attributesHITACHI LTD·Filed 1990·Granted Oct 4, 1994·14 cites·21 claims
- 1941US6937259B2Image forming device and recording intermediate belt mounting jigMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 30, 2005·1 cites·4 claims
- 2034US2006050123A1Image recording device and image recording method, and image receiving layer transferer element and image forming medium using themWADA TOSHIYUKI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →