Inventor · disambiguated record
Masaru Muramatsu
Also filed as: MURAMATSU MASARU
44 granted patents·1 pending application·537 citations·filing 1984–2011
98Inventor score
Top patents by PatentIndex Score
45 records- 0194US5016039ACamera systemNIKON CORP·Filed 1990·Granted May 14, 1991·66 cites·40 claims
- 0292US6941067B2Camera and multiple flash photographing systemNIKON CORP·Filed 2004·Granted Sep 6, 2005·39 cites·32 claims
- 0391US7876367B2Imaging apparatusNIKON CORP·Filed 2008·Granted Jan 25, 2011·15 cites·5 claims
- 0489US4577270APlant control methodHITACHI LTD·Filed 1984·Granted Mar 18, 1986·58 cites·19 claims
- 0582US5319403ACamera capable of providing printing informationNIKON CORP·Filed 1993·Granted Jun 7, 1994·21 cites·34 claims
- 0680US5392088ATarget follow-up device and camera comprising the sameNIKON CORP·Filed 1993·Granted Feb 21, 1995·63 cites·6 claims
- 0778US5128707ARear light detecting apparatus in a cameraNIKON CORP·Filed 1991·Granted Jul 7, 1992·19 cites·4 claims
- 0875US8989510B2Contrast enhancement using gradation conversion processingMURAMATSU MASARU·Filed 2011·Granted Mar 24, 2015·3 cites·10 claims
- 0975US5602615APhotometric device to determine a correct photometric value of a spot photometric regionNIKON CORP·Filed 1995·Granted Feb 11, 1997·13 cites·16 claims
- 1074US5592256APhotometry device for a cameraNIKON CORP·Filed 1996·Granted Jan 7, 1997·12 cites·20 claims
- 1173US7375758B2Electronic cameraNIKON CORP·Filed 2004·Granted May 20, 2008·11 cites·7 claims
- 1270US8294795B2Image capturing apparatus and medium storing image processing programMURAMATSU MASARU·Filed 2010·Granted Oct 23, 2012·2 cites·12 claims
- 1369US6714734B2CameraNIKON CORP·Filed 2002·Granted Mar 30, 2004·8 cites·8 claims
- 1468US8570407B2Imaging apparatus, image processing program, image processing apparatus, and image processing methodMURAMATSU MASARU·Filed 2009·Granted Oct 29, 2013·2 cites·18 claims
- 1568US8085315B2Imaging apparatus for enhancing appearance of image dataMURAMATSU MASARU·Filed 2008·Granted Dec 27, 2011·2 cites·5 claims
- 1668US5130735AAutomatic focus state detecting apparatusNIKON CORP·Filed 1991·Granted Jul 14, 1992·31 cites·51 claims
- 1766US9294685B2Image processing apparatus, electronic camera, and medium storing image processing programMURAMATSU MASARU·Filed 2011·Granted Mar 22, 2016·2 cites·10 claims
- 1864US5512974ATarget follow-up device and camera comprising the sameNIKON CORP·Filed 1994·Granted Apr 30, 1996·31 cites·5 claims
- 1962US6445886B1Photometry device of a cameraNIKON CORP·Filed 1996·Granted Sep 3, 2002·8 cites·18 claims
- 2061US5231448APhotometric apparatus for a cameraNIKON CORP·Filed 1990·Granted Jul 27, 1993·7 cites·11 claims
- 2160US5742852APhotometry systemNIKON CORP·Filed 1996·Granted Apr 21, 1998·6 cites·27 claims
- 2260US5585885ACamera photometerNIKON CORP·Filed 1994·Granted Dec 17, 1996·9 cites·15 claims
- 2360US5552853AAuto focusing apparatus in a cameraNIKON CORP·Filed 1995·Granted Sep 3, 1996·18 cites·15 claims
- 2454US5266984AExposure calculating apparatus for cameraNIKON CORP·Filed 1992·Granted Nov 30, 1993·7 cites·6 claims
- 2553US5561497AAuto focusing apparatus in a cameraNIKON CORP·Filed 1995·Granted Oct 1, 1996·13 cites·7 claims
- 2652US8121473B2Imaging apparatusMURAMATSU MASARU·Filed 2009·Granted Feb 21, 2012·0 cites·10 claims
- 2752US7978233B2Image processing apparatus with correcting section for gradation correctionNIKON CORP·Filed 2008·Granted Jul 12, 2011·0 cites·10 claims
- 2851US9019406B2Imaging apparatus and image processing program for correcting dark area gradationMURAMATSU MASARU·Filed 2008·Granted Apr 28, 2015·0 cites·15 claims
- 2950US5732288AAuto-focusing device for cameraNIKON CORP·Filed 1997·Granted Mar 24, 1998·15 cites·20 claims
- 3049US8254675B2Image processing apparatus, imaging apparatus and image processing programUTAGAWA KEN·Filed 2008·Granted Aug 28, 2012·0 cites·24 claims
- 3149US5239332AAutomatic focusing device of camera for moving object photographyNIKON CORP·Filed 1991·Granted Aug 24, 1993·14 cites·26 claims
- 3246US5422699APhotographic camera with variable focal lengthNIKON CORP·Filed 1994·Granted Jun 6, 1995·14 cites·30 claims
- 3344US5563677AAuto focusing apparatus in a cameraNIKON CORP·Filed 1995·Granted Oct 8, 1996·8 cites·9 claims
- 3444US2005030411A1Digital still camera and image processing programNIKON CORP·Filed 2004·Application pending·0 cites
- 3543US7777806B2Camera, method, and program which captures a field of an object to generate an image, and image processing program and imaging device for applying image processing to an imageNIKON CORP·Filed 2005·Granted Aug 17, 2010·0 cites·11 claims
- 3642US5587761AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Dec 24, 1996·5 cites·12 claims
- 3741US8665351B2Image processing device, electronic camera, and storage medium storing image processing programMURAMATSU MASARU·Filed 2010·Granted Mar 4, 2014·0 cites·10 claims
- 3840US5528331AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Jun 18, 1996·4 cites·14 claims
- 3936US5517275AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted May 14, 1996·3 cites·14 claims
- 4034US5504551AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Apr 2, 1996·2 cites·17 claims
- 4134US5489964ACameraNIKON CORP·Filed 1994·Granted Feb 6, 1996·1 cites·10 claims
- 4232US5512973AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Apr 30, 1996·1 cites·11 claims
- 4332US5159376AAutomatic focus controlling apparatusNIKON CORP·Filed 1991·Granted Oct 27, 1992·3 cites·21 claims
- 4431US5510874AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Apr 23, 1996·1 cites·11 claims
- 4530US5510873AAutomatic focusing apparatusNIKON CORP·Filed 1995·Granted Apr 23, 1996·0 cites·12 claims
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