Inventor · disambiguated record
Atsushi Koyama
Also filed as: KOYAMA ATSUSHI
29 granted patents·12 pending applications·171 citations·filing 1993–2025
96Inventor score
Top patents by PatentIndex Score
41 records- 0188US8441742B2Lens barrel and optical apparatus including the sameKOYAMA ATSUSHI·Filed 2012·Granted May 14, 2013·10 cites·8 claims
- 0287US10712004B2Combustor including an acoustic device mounted on a combustion liner for damping combustion oscillation of a predetermined frequency and gas turbineMITSUBISHI HITACHI POWER SYS·Filed 2016·Granted Jul 14, 2020·5 cites·12 claims
- 0387US8228619B2Lens barrel and optical apparatus including the sameKOYAMA ATSUSHI·Filed 2010·Granted Jul 24, 2012·10 cites·6 claims
- 0487US8034855B2Polyacetal resin compositionASAHI KASEI CHEMICALS CORP·Filed 2009·Granted Oct 11, 2011·11 cites·18 claims
- 0583US7085485B2Intermediate adapter and camera systemCANON KK·Filed 2004·Granted Aug 1, 2006·18 cites·9 claims
- 0682US8462216B2Optical apparatus and camera system having a function of moving a focus lens in an optical axis direction to reduce focus shake generated in the optical axis directionSATO SHIGEKI·Filed 2012·Granted Jun 11, 2013·4 cites·14 claims
- 0782US7420748B2Lens apparatus and optical apparatusCANON KK·Filed 2007·Granted Sep 2, 2008·7 cites·18 claims
- 0879US2025362019A1Combustor and gas turbine provided with sameMITSUBISHI HEAVY IND LTD·Filed 2025·Application pending·0 cites
- 0977US6670489B2Process for producing cyclic formalASAHI CHEMICAL IND·Filed 2002·Granted Dec 30, 2003·14 cites·14 claims
- 1071US8743267B2Optical apparatus for calculating an object distanceCANON KK·Filed 2012·Granted Jun 3, 2014·2 cites·10 claims
- 1170US8259182B2Optical apparatus and camera system having a function of moving a focus lens in an optical axis direction to reduce focus shake generated in the optical axis directionSATO SHIGEKI·Filed 2009·Granted Sep 4, 2012·2 cites·9 claims
- 1269US2024254333A1Photocurable urethane gel-state body and method for producing sameTAISEI KOGYO CO LTD·Filed 2022·Application pending·0 cites
- 1368US7186109B2Stamper holder, mold component, and mold assemblyTDK CORP·Filed 2004·Granted Mar 6, 2007·9 cites·2 claims
- 1467US8218066B2Interchangeable lens, interchangeable lens system and camera systemTSUKATANI EIRI·Filed 2004·Granted Jul 10, 2012·10 cites·10 claims
- 1567US2025247001A1Inductor and dc-dc converterTDK CORP·Filed 2025·Application pending·0 cites
- 1666US8845776B2Lead-free copper-based sintered sliding material and sliding partsMUKAI RYO·Filed 2010·Granted Sep 30, 2014·1 cites·20 claims
- 1766US7118295B2Interchangeable lens, interchangeable lens system and camera systemCANON KK·Filed 2004·Granted Oct 10, 2006·7 cites·23 claims
- 1864US7458088B2Intermediate for optical recording medium and method of manufacturing the optical recording mediumTDK CORP·Filed 2003·Granted Nov 25, 2008·5 cites·7 claims
- 1963US9213170B2Lens barrel and optical apparatusCANON KK·Filed 2013·Granted Dec 15, 2015·1 cites·8 claims
- 2060US7050243B2Lens apparatus, camera system, and cameraCANON KK·Filed 2005·Granted May 23, 2006·2 cites·7 claims
- 2160US2025218645A1Inductor and dc-dc converterTDK CORP·Filed 2024·Application pending·0 cites
- 2259US7044726B2Mold component and mold assemblyTDK CORP·Filed 2003·Granted May 16, 2006·16 cites·7 claims
- 2358US2023003383A1Combustor and gas turbine provided with sameMITSUBISHI HEAVY IND LTD·Filed 2022·Application pending·0 cites
- 2457US7138165B2Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording mediumTDK CORP·Filed 2003·Granted Nov 21, 2006·2 cites·7 claims
- 2555US6926793B2Method and apparatus for fabricating a multi-fiber polarization-maintaining fiber assemblyTOTOKU ELECTRIC·Filed 2001·Granted Aug 9, 2005·5 cites·2 claims
- 2655US5648105AApparatus for making a plurality of optical record disc subtratesTDK CORP·Filed 1995·Granted Jul 15, 1997·16 cites·7 claims
- 2754US2024331927A1Inductor and dc-dc converterTDK CORP·Filed 2024·Application pending·0 cites
- 2854US2024360925A1Manufacturing method of tube-attached coupling structure and tube-attached coupling structureTAISEI KOGYO CO LTD·Filed 2023·Application pending·0 cites
- 2951US7252130B2Apparatus for fabricating a multi-fiber polarization-maintaining fiber assemblyTOTOKU ELECTRIC·Filed 2004·Granted Aug 7, 2007·3 cites·5 claims
- 3049US9565352B2Optical apparatusCANON KK·Filed 2013·Granted Feb 7, 2017·0 cites·8 claims
- 3149US6529337B2Image blur correction apparatusCANON KK·Filed 2001·Granted Mar 4, 2003·2 cites·12 claims
- 3248US2010190708A1Composition for amelioration of body lipidTSUNO TAKUO·Filed 2010·Application pending·0 cites
- 3345US7989099B2Information medium substrate and information mediumTDK CORP·Filed 2007·Granted Aug 2, 2011·0 cites·8 claims
- 3444US5458821AMethod of making a plurality of optical record disc substratesTDK CORP·Filed 1993·Granted Oct 17, 1995·9 cites·3 claims
- 3542US2009067188A1Light sourceFURUKAWA ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 3640US9518603B2Bearing apparatusSAKAMOTO SHINICHIRO·Filed 2011·Granted Dec 13, 2016·0 cites·8 claims
- 3740US9007510B2Optical apparatusOCHI DAISUKE·Filed 2012·Granted Apr 14, 2015·0 cites·8 claims
- 3840US7801186B2Light sourceFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Sep 21, 2010·0 cites·6 claims
- 3940US2004212122A1Information recording medium preform, method of manufacturing an information recording medium, and manufacturing apparatus for an information recording mediumTDK CORP·Filed 2004·Application pending·0 cites
- 4039US2013064534A1Optical apparatus performing position control of focus lens unitKOYAMA ATSUSHI·Filed 2012·Application pending·0 cites
- 4138US2011072952A1Tremolo device of an electric guitar and method of producing tremolo and electronic sound effects using the sameEBRIDGE LTD·Filed 2010·Application pending·0 cites
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