Inventor · disambiguated record
Yoshihiro Yamazaki
Also filed as: YAMAZAKI YOSHIHIRO
57 granted patents·8 pending applications·1,091 citations·filing 1981–2022
99Inventor score
Files withPENTAX CORP27ASAHI OPTICAL CO LTD13NISSHINBO CHEMICAL INC5TOKYO ELECTRON LTD3DENSO WAVE INC2
Top patents by PatentIndex Score
65 records- 0196US6570718B2Zoom lens having a cam mechanismPENTAX CORP·Filed 2001·Granted May 27, 2003·110 cites·25 claims
- 0295US6813441B2Lens drive systemPENTAX CORP·Filed 2002·Granted Nov 2, 2004·54 cites·25 claims
- 0394US6665129B2Lens barrel and a zoom lens barrelPENTAX CORP·Filed 2002·Granted Dec 16, 2003·71 cites·28 claims
- 0491US6520691B2Lens barrier opening/closing device of a movable lens barrelPENTAX CORP·Filed 2001·Granted Feb 18, 2003·48 cites·28 claims
- 0591US6469841B2Lens frame guiding mechanism of a zoom lensASAHI OPTICAL CO LTD·Filed 2001·Granted Oct 22, 2002·52 cites·6 claims
- 0691US6469840B2Cam mechanism for driving a linearly-guided lensASAHI OPTICAL CO LTD·Filed 2001·Granted Oct 22, 2002·49 cites·9 claims
- 0788US6597516B2Lens frame structure for optical axis adjustmentPENTAX CORP·Filed 2002·Granted Jul 22, 2003·38 cites·17 claims
- 0888US6549341B2Mechanism for rotating a cam barrel of a zoom lensPENTAX CORP·Filed 2001·Granted Apr 15, 2003·39 cites·10 claims
- 0988US6456445B2Zoom lens having a cam mechanismASAHI OPTICAL CO LTD·Filed 2001·Granted Sep 24, 2002·42 cites·28 claims
- 1087US6121406AMixture of hydrophilic dicyclohexylmethanecarbodiimideNISSHIN SPINNING·Filed 1999·Granted Sep 19, 2000·31 cites·5 claims
- 1185US4595667ACatalyst for the hydrotreating of heavy hydrocarbon oilsNIPPON OIL CO LTD·Filed 1985·Granted Jun 17, 1986·58 cites·14 claims
- 1281US7361701B2Aliphatic polyester composition, a molded article thereof and a method for controlling biodegradation rate using the same compositionNISSHIN SPINNING·Filed 2003·Granted Apr 22, 2008·15 cites·8 claims
- 1380US7341954B2Method and apparatus for determining an operation status of a plasma processing apparatus, program and storage medium storing sameTOKYO ELECTRON LTD·Filed 2006·Granted Mar 11, 2008·5 cites·10 claims
- 1478US7373082B2Light shielding structure of a zoom lens barrelPENTAX CORP·Filed 2005·Granted May 13, 2008·9 cites·16 claims
- 1578US6643074B2Lens barrelPENTAX CORP·Filed 2003·Granted Nov 4, 2003·15 cites·12 claims
- 1678US5412510AImaging optical system for compensating change of temperatureASAHI OPTICAL CO LTD·Filed 1992·Granted May 2, 1995·46 cites·28 claims
- 1777US6909464B2Zoom lens and a movable lens hood mounting mechanism of the zoom lensPENTAX CORP·Filed 2001·Granted Jun 21, 2005·18 cites·31 claims
- 1877US6636362B2Lens barrelPENTAX CORP·Filed 2002·Granted Oct 21, 2003·15 cites·12 claims
- 1976US10839182B2Apparatus for reading informationDENSO WAVE INC·Filed 2018·Granted Nov 17, 2020·2 cites·36 claims
- 2076US6853500B2Retracting mechanism of a zoom lens barrelPENTAX CORP·Filed 2004·Granted Feb 8, 2005·17 cites·7 claims
- 2176US6819502B2Structure of a zoom lens barrelPENTAX CORP·Filed 2004·Granted Nov 16, 2004·17 cites·10 claims
- 2276US6714357B2Lens drive systemPENTAX CORP·Filed 2002·Granted Mar 30, 2004·18 cites·14 claims
- 2376US4414607ASolid state electric double layer capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Nov 8, 1983·22 cites·7 claims
- 2475US7356251B2Assembly-stage focus adjustment mechanism of a zoom lensPENTAX CORP·Filed 2005·Granted Apr 8, 2008·4 cites·11 claims
- 2574US9873109B2Catalysts for thermochemical fuel production and method of producing fuel using thermochemical fuel productionJAPAN SCIENCE & TECH AGENCY·Filed 2015·Granted Jan 23, 2018·1 cites·4 claims
- 2674US6624955B2Lens barrelPENTAX CORP·Filed 2003·Granted Sep 23, 2003·12 cites·5 claims
- 2774US6597518B2Zoom lens barrelPENTAX CORP·Filed 2001·Granted Jul 22, 2003·16 cites·9 claims
- 2872US7263463B2Prediction apparatus and method for a plasma processing apparatusTOKYO ELECTRON LTD·Filed 2004·Granted Aug 28, 2007·16 cites·14 claims
- 2972USRE39752ELens barrier opening/closing device of a movable lens barrelPENTAX CORP·Filed 2005·Granted Jul 31, 2007·5 cites·38 claims
- 3072US6748358B1Electronic speaking document viewer, authoring system for creating and editing electronic contents to be reproduced by the electronic speaking document viewer, semiconductor storage card and information provider serverTOSHIBA KK·Filed 2000·Granted Jun 8, 2004·20 cites·11 claims
- 3171US6519096B2Lens barrelPENTAX CORP·Filed 2002·Granted Feb 11, 2003·13 cites·27 claims
- 3270US7088524B2Lens barrel having a lens barrier mechanismPENTAX CORP·Filed 2004·Granted Aug 8, 2006·10 cites·15 claims
- 3370US6993256B2Zoom and focus control method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 31, 2006·11 cites·6 claims
- 3470US6714731B2Zoom and focus control method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Mar 30, 2004·11 cites·2 claims
- 3567US6963455B2Lens barrelPENTAX CORP·Filed 2004·Granted Nov 8, 2005·10 cites·16 claims
- 3666US7212352B2Cam mechanism of a lens barrelPENTAX CORP·Filed 2005·Granted May 1, 2007·4 cites·17 claims
- 3765US6954314B2Cam mechanism of a lens barrelPENTAX CORP·Filed 2004·Granted Oct 11, 2005·9 cites·17 claims
- 3865US6421192B2Bayonet type fixing device having annular members and a zoom lens having the sameASAHI OPTICAL CO LTD·Filed 2001·Granted Jul 16, 2002·9 cites·17 claims
- 3964US6919995B2Light shielding structure of a retractable lens barrelPENTAX CORP·Filed 2004·Granted Jul 19, 2005·8 cites·11 claims
- 4061US7139620B2Prediction method and apparatus of a processing resultTOKYO ELECTRON LTD·Filed 2004·Granted Nov 21, 2006·13 cites·18 claims
- 4161US6888685B2Retracting mechanism of a zoom lens barrelPENTAX CORP·Filed 2004·Granted May 3, 2005·7 cites·9 claims
- 4261US6657794B2Movable lens hood mechanism of a zoom lensPENTAX CORP·Filed 2001·Granted Dec 2, 2003·7 cites·11 claims
- 4361US6418826B1Apparatus for slicing compression molded product of sheet-shaped material and split knifeJAPAN TOBACCO INC·Filed 1997·Granted Jul 16, 2002·20 cites·17 claims
- 4461US2011223419A1Solar cell backsheetMITSUBISHI PLASTICS INC·Filed 2009·Application pending·0 cites
- 4561US2011220169A1Solar cell backsheetMITSUBISHI PLASTICS INC·Filed 2009·Application pending·0 cites
- 4659US6788475B2Lens barrel having a lens barrier mechanismPENTAX CORP·Filed 2002·Granted Sep 7, 2004·5 cites·20 claims
- 4759US5027424AImage readerASAHI OPTICAL CO LTD·Filed 1989·Granted Jun 25, 1991·16 cites·21 claims
- 4857US4601105AVehicle measuring instrumentYAMAZAKI KICHISABURO·Filed 1984·Granted Jul 22, 1986·17 cites·24 claims
- 4956US6424807B2Zoom lens assembling mechanismASAHI OPTICAL CO LTD·Filed 2001·Granted Jul 23, 2002·5 cites·20 claims
- 5054US2013252808A1Catalysts for thermochemical fuel production and method of producing fuel using thermochemical fuel productionYAMAZAKI YOSHIHIRO·Filed 2012·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →