Inventor · disambiguated record
Yoshihiro Hama
Also filed as: HAMA YOSHIHIRO
32 granted patents·1 pending application·390 citations·filing 1981–2007
97Inventor score
Top patents by PatentIndex Score
33 records- 0189US7656432B2Method and apparatus for photographing moving objectHOYA CORP·Filed 2006·Granted Feb 2, 2010·13 cites·23 claims
- 0286US6317245B1Multi-beam scanning optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 13, 2001·33 cites·11 claims
- 0383US6396615B1Multi-beam scanning optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted May 28, 2002·24 cites·15 claims
- 0481US6392773B1Multi-beam scanning optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted May 21, 2002·25 cites·10 claims
- 0580US4506959AZoom lens assembly with switching mechanism from or to zooming photographing to or from macro photographingASAHI OPTICAL CO LTD·Filed 1982·Granted Mar 26, 1985·37 cites·16 claims
- 0679US6636340B1Multi-beam scanning devicePENTAX CORP·Filed 2000·Granted Oct 21, 2003·17 cites·5 claims
- 0778US6392772B1Multi-beam scanning optical systemASHAI KOGAKU KOGYO KABUSHIKI K·Filed 2000·Granted May 21, 2002·22 cites·14 claims
- 0871US6873466B2Scanning optical systemPENTAX CORP·Filed 2003·Granted Mar 29, 2005·13 cites·9 claims
- 0970US7006269B2Multi-beam scanning devicePENTAX CORP·Filed 2004·Granted Feb 28, 2006·9 cites·14 claims
- 1069US4890132AManual control apparatus of zoom lens barrel for an auto focus cameraASAHI OPTICAL CO LTD·Filed 1988·Granted Dec 26, 1989·26 cites·26 claims
- 1166US4487482AStop down structure for facsimile zoom lensASAHI OPTICAL CO LTD·Filed 1981·Granted Dec 11, 1984·16 cites·5 claims
- 1264US7425072B2Method and apparatus for displaying 3-D imageHOYA CORP·Filed 2005·Granted Sep 16, 2008·2 cites·13 claims
- 1364US6781728B2Multi-beam scanning devicePENTAX CORP·Filed 2003·Granted Aug 24, 2004·5 cites·5 claims
- 1461US7002759B2Lens unit for multibeam scanning devicePENTAX CORP·Filed 2004·Granted Feb 21, 2006·7 cites·7 claims
- 1560US4417281AImage magnification control mechanism for facsimile zoom lensASAHI OPTICAL CO LTD·Filed 1981·Granted Nov 22, 1983·12 cites·11 claims
- 1658US5033821AElement selecting deviceASAHI OPTICAL CO LTD·Filed 1989·Granted Jul 23, 1991·14 cites·15 claims
- 1757US6922268B2Multi-beam scanning devicePENTAX CORP·Filed 2003·Granted Jul 26, 2005·5 cites·10 claims
- 1856US7379220B2Multi-beam color scanning devicePENTAX CORP·Filed 2004·Granted May 27, 2008·2 cites·16 claims
- 1955US5621562AOptical Scanning deviceASAHI OPTICAL CO LTD·Filed 1995·Granted Apr 15, 1997·19 cites·11 claims
- 2055US5592337AMirror fastener for optical scanning deviceASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 7, 1997·19 cites·13 claims
- 2154US6690496B2Multi-beam scanning devicePENTAX CORP·Filed 2003·Granted Feb 10, 2004·5 cites·20 claims
- 2252US6885485B2Multibeam scanning devicePENTAX CORP·Filed 2004·Granted Apr 26, 2005·3 cites·13 claims
- 2351US5712719AOptical scanning deviceASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 27, 1998·16 cites·20 claims
- 2450US4652931AOptical system for TTL automatic focusing video cameraASAHI OPTICAL CO LTD·Filed 1984·Granted Mar 24, 1987·11 cites·5 claims
- 2547US2007165134A1Three-dimensional imaging devicePENTAX CORP·Filed 2007·Application pending·0 cites
- 2644US5825403AOptical scanning system and method for setting curvature of field thereinASAHI OPTICAL CO LTD·Filed 1996·Granted Oct 20, 1998·10 cites·11 claims
- 2742US4473278AAperture structure in zoom lensASAHI OPTICAL CO LTD·Filed 1981·Granted Sep 25, 1984·7 cites·5 claims
- 2841US4473281ACompensating mechanism for zoom lensASAHI OPTICAL CO LTD·Filed 1981·Granted Sep 25, 1984·2 cites·4 claims
- 2937US7084896B2Multi-beam scanning devicePENTAX CORP·Filed 2001·Granted Aug 1, 2006·0 cites·15 claims
- 3036US5033820AElement selecting device and elements comprising a plurality of optical filter unitsASAHI OPTICAL CO LTD·Filed 1989·Granted Jul 23, 1991·5 cites·8 claims
- 3135US6084696ALaser scanning optical systemASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 4, 2000·5 cites·10 claims
- 3235US5231537AElement selecting deviceASAHI OPTICAL CO LTD·Filed 1992·Granted Jul 27, 1993·5 cites·9 claims
- 3335US4518238ARotation control mechanism for diaphragm-operating ring in interchangeable objective for photographic cameraASAHI OPTICAL CO LTD·Filed 1983·Granted May 21, 1985·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →