Inventor · disambiguated record
Takeshi Sakamoto
Also filed as: ANZAI SHUNICHI · SAKAMOTO TAKESHI
194 granted patents·103 pending applications·2,813 citations·filing 1977–2025
99Inventor score
Files withHAMAMATSU PHOTONICS KK84NIPPON TELEGRAPH & TELEPHONE61SAKAMOTO TAKESHI33FUJITSU LTD17HITACHI LTD12
Top patents by PatentIndex Score
297 records- 0199US7947574B2Laser processing method and semiconductor chipHAMAMATSU PHOTONICS KK·Filed 2010·Granted May 24, 2011·121 cites·8 claims
- 0299US7718510B2Laser processing method and semiconductor chipHAMAMATSU PHOTONICS KK·Filed 2005·Granted May 18, 2010·129 cites·21 claims
- 0399US7709767B2Laser processing methodHAMAMATSU PHOTONICS KK·Filed 2005·Granted May 4, 2010·133 cites·6 claims
- 0499US7592237B2Laser processing method and object to be processedHAMAMATSU PHOTONICS KK·Filed 2005·Granted Sep 22, 2009·124 cites·10 claims
- 0598US8143141B2Laser beam machining method and semiconductor chipSUGIURA RYUJI·Filed 2010·Granted Mar 27, 2012·44 cites·9 claims
- 0698US7939430B2Laser processing methodHAMAMATSU PHOTONICS KK·Filed 2005·Granted May 10, 2011·132 cites·7 claims
- 0798US7902636B2Semiconductor chip including a substrate and multilayer partHAMAMATSU PHOTONICS KK·Filed 2005·Granted Mar 8, 2011·127 cites·2 claims
- 0898US7897487B2Laser processing method and chipHAMAMATSU PHOTONICS KK·Filed 2007·Granted Mar 1, 2011·132 cites·17 claims
- 0998US7754583B2Laser processing methodHAMAMATSU PHOTONICS KK·Filed 2006·Granted Jul 13, 2010·115 cites·3 claims
- 1096US6934479B2Wavelength division multiplexing optical communication system and wavelength division multiplexing optical communication methodFUJITSU LTD·Filed 2001·Granted Aug 23, 2005·74 cites·24 claims
- 1194US8828891B2Laser processing methodSAKAMOTO TAKESHI·Filed 2011·Granted Sep 9, 2014·15 cites·9 claims
- 1293US8755107B2Laser processing systemSAKAMOTO TAKESHI·Filed 2011·Granted Jun 17, 2014·15 cites·6 claims
- 1393US6654561B1Method and apparatus for measuring optical signal-to-noise ratio, and pre-emphasis method and optical communication system each utilizing the methodFUJITSU LTD·Filed 2000·Granted Nov 25, 2003·60 cites·36 claims
- 1493US6244738B1Stirrer having ultrasonic vibrators for mixing a sample solutionHITACHI LTD·Filed 1999·Granted Jun 12, 2001·117 cites·9 claims
- 1592US8946055B2Laser processing method for cutting substrate and laminate part bonded to the substrateSAKAMOTO TAKESHI·Filed 2005·Granted Feb 3, 2015·17 cites·15 claims
- 1692US8816245B2Method of cutting object to be processedIWAKI HIROYUKI·Filed 2011·Granted Aug 26, 2014·14 cites·8 claims
- 1792US8790997B2Laser machining method and chipNAKAGAWA AIKO·Filed 2010·Granted Jul 29, 2014·30 cites·8 claims
- 1892US8728914B2Workpiece cutting methodSAKAMOTO TAKESHI·Filed 2010·Granted May 20, 2014·18 cites·12 claims
- 1992US8389384B2Laser beam machining method and semiconductor chipSAKAMOTO TAKESHI·Filed 2006·Granted Mar 5, 2013·22 cites·9 claims
- 2092US6557110B2Channel-to-channel skew compensation apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Apr 29, 2003·47 cites·12 claims
- 2191US9295969B2Laser processing methodOKUMA JUNJI·Filed 2011·Granted Mar 29, 2016·16 cites·9 claims
- 2291US8896996B2Display deviceSAKAMOTO TAKESHI·Filed 2012·Granted Nov 25, 2014·8 cites·4 claims
- 2391US8436273B2Machining information supply equipment and supply systemSAKAMOTO TAKESHI·Filed 2008·Granted May 7, 2013·15 cites·18 claims
- 2491US8188404B2Laser processing method and laser processing apparatusSAKAMOTO TAKESHI·Filed 2007·Granted May 29, 2012·18 cites·10 claims
- 2591US8138450B2Method for cutting workpieceSAKAMOTO TAKESHI·Filed 2006·Granted Mar 20, 2012·18 cites·6 claims
- 2691US8026154B2Laser working methodHAMAMATSU PHOTONICS KK·Filed 2007·Granted Sep 27, 2011·15 cites·5 claims
- 2790US12275091B2Laser processing apparatus and laser processing methodHAMAMATSU PHOTONICS KK·Filed 2019·Granted Apr 15, 2025·9 cites·20 claims
- 2890US9675957B2Adsorbent material and method for producing crystalline silicotitanateNIPPON CHEMICAL IND·Filed 2016·Granted Jun 13, 2017·3 cites·14 claims
- 2990US8603351B2Working method for cuttingSAKAMOTO TAKESHI·Filed 2008·Granted Dec 10, 2013·15 cites·9 claims
- 3090US8084333B2Object cutting methodSAKAMOTO TAKESHI·Filed 2008·Granted Dec 27, 2011·16 cites·12 claims
- 3190US4975328AProcess for producing polyurethane lensHOYA CORP·Filed 1988·Granted Dec 4, 1990·61 cites·6 claims
- 3290US4338780AMethod of cooling a gas turbine blade and apparatus thereforHITACHI LTD·Filed 1978·Granted Jul 13, 1982·73 cites·10 claims
- 3389US12276847B2Optical connecting component and optical connecting structureNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Apr 15, 2025·2 cites·14 claims
- 3489US8950217B2Method of cutting object to be processed, method of cutting strengthened glass sheet and method of manufacturing strengthened glass memberIWAKI HIROYUKI·Filed 2011·Granted Feb 10, 2015·12 cites·8 claims
- 3589US8278592B2Laser processing methodSAKAMOTO TAKESHI·Filed 2007·Granted Oct 2, 2012·14 cites·4 claims
- 3689US4171617ASolar thermal electric systemsAGENCY IND SCIENCE TECHN·Filed 1977·Granted Oct 23, 1979·53 cites·8 claims
- 3788US8338271B2Laser processing method and chipSUGIURA RYUJI·Filed 2011·Granted Dec 25, 2012·7 cites·15 claims
- 3888US7756422B2Method for measuring optical characteristics and system thereofFUJITSU LTD·Filed 2006·Granted Jul 13, 2010·15 cites·12 claims
- 3987US9117770B2Semiconductor devicePANASONIC CORP·Filed 2014·Granted Aug 25, 2015·8 cites·20 claims
- 4087US8818191B2Wavelength reallocation method and node deviceSAKAMOTO TAKESHI·Filed 2012·Granted Aug 26, 2014·7 cites·7 claims
- 4187US8604383B2Laser processing methodKUNO KOJI·Filed 2005·Granted Dec 10, 2013·15 cites·14 claims
- 4286US9102005B2Laser processing methodMURAMATSU KENICHI·Filed 2006·Granted Aug 11, 2015·13 cites·11 claims
- 4386US8500310B2Indication plateSAKAMOTO TAKESHI·Filed 2009·Granted Aug 6, 2013·9 cites·8 claims
- 4486US8247311B2Laser processing methodSAKAMOTO TAKESHI·Filed 2006·Granted Aug 21, 2012·12 cites·11 claims
- 4586US8043941B2Laser processing method and chipHAMAMATSU PHOTONICS KK·Filed 2010·Granted Oct 25, 2011·6 cites·16 claims
- 4686US6570703B2Optical amplifying apparatus, optical amplifying method, and optical communication systemFUJITSU LTD·Filed 2001·Granted May 27, 2003·25 cites·12 claims
- 4786US6273262B1Particle concentration deviceHITACHI LTD·Filed 1999·Granted Aug 14, 2001·67 cites·20 claims
- 4886US5830603ASeparator film for a storage batterySUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Nov 3, 1998·84 cites·27 claims
- 4986US4293275AGas turbine blade cooling structureHITACHI LTD·Filed 1979·Granted Oct 6, 1981·50 cites·10 claims
- 5086US2025091164A1Laser machining deviceHAMAMATSU PHOTONICS KK·Filed 2024·Application pending·0 cites
Showing the top 50 of 297 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →