Inventor · disambiguated record
Masahiro Hashimoto
Also filed as: HASHIMOTO MASAHIRO
77 granted patents·22 pending applications·845 citations·filing 1976–2023
99Inventor score
Top patents by PatentIndex Score
99 records- 0196US4618349AGrinding wheel manufacturing methodTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Oct 21, 1986·112 cites·3 claims
- 0295US6424726B2Image data encoding system and image inputting apparatusNEC CORP·Filed 2001·Granted Jul 23, 2002·89 cites·28 claims
- 0389US8637213B2Mask blank and transfer maskHASHIMOTO MASAHIRO·Filed 2010·Granted Jan 28, 2014·5 cites·22 claims
- 0488US7935461B2Phase shift mask blank, phase shift mask, and method for manufacturing phase shift mask blankHOYA CORP·Filed 2009·Granted May 3, 2011·7 cites·18 claims
- 0587US8802334B2Surface treatment method for a mask blank, method of manufacturing a mask blank, and method of manufacturing a maskYAMADA TAKEYUKI·Filed 2012·Granted Aug 12, 2014·7 cites·18 claims
- 0687US8029948B2Photomask blank, photomask, and methods of manufacturing the sameHOYA CORP·Filed 2009·Granted Oct 4, 2011·7 cites·11 claims
- 0787US7736822B2Resist underlayer coating forming composition for mask blank, mask blank and maskHOYA CORP·Filed 2007·Granted Jun 15, 2010·10 cites·11 claims
- 0885US6947562B2Electronic watermark detecting/inserting deviceNEC CORP·Filed 2001·Granted Sep 20, 2005·29 cites·8 claims
- 0985US6668068B2Image attribute altering device and electronic watermark embedding deviceNEC CORP·Filed 1999·Granted Dec 23, 2003·95 cites·4 claims
- 1084US8940462B2Photomask blank, photomask, method of manufacturing the same, and method of manufacturing a semiconductor deviceHASHIMOTO MASAHIRO·Filed 2009·Granted Jan 27, 2015·7 cites·12 claims
- 1180US7027611B2Controlling a watermark strength embedded into a digital imageNEC CORP·Filed 2001·Granted Apr 11, 2006·29 cites·23 claims
- 1279US8663875B2Method of manufacturing a photomaskOKUBO YASUSHI·Filed 2010·Granted Mar 4, 2014·3 cites·17 claims
- 1379US8329364B2Phase shift mask blank and phase shift maskIWASHITA HIROYUKI·Filed 2009·Granted Dec 11, 2012·5 cites·14 claims
- 1479US4051461AManagement table apparatus in memory hierarchy systemHITACHI LTD·Filed 1976·Granted Sep 27, 1977·52 cites·3 claims
- 1578US4779192AVector processor with a synchronously controlled operand fetch circuitsHITACHI LTD·Filed 1984·Granted Oct 18, 1988·51 cites·20 claims
- 1677US7972750B2Mask blank and maskHOYA CORP·Filed 2006·Granted Jul 5, 2011·4 cites·21 claims
- 1776US9746764B2Mask blank and transfer maskHOYA CORP·Filed 2014·Granted Aug 29, 2017·2 cites·6 claims
- 1876US8822103B2Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor deviceKOMINATO ATSUSHI·Filed 2011·Granted Sep 2, 2014·2 cites·18 claims
- 1975US8658334B2Transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor deviceHASHIMOTO MASAHIRO·Filed 2010·Granted Feb 25, 2014·2 cites·25 claims
- 2075US6298142B1Image data encoding system and image inputting apparatusNEC CORP·Filed 1998·Granted Oct 2, 2001·52 cites·4 claims
- 2175US4639886AArithmetic system having pipeline structure arithmetic meansHITACHI LTD·Filed 1983·Granted Jan 27, 1987·43 cites·20 claims
- 2274US9075319B2Mask blank and transfer maskHASHIMOTO MASAHIRO·Filed 2010·Granted Jul 7, 2015·2 cites·14 claims
- 2374US8026024B2Mask blank and method for manufacturing transfer maskHOYA CORP·Filed 2007·Granted Sep 27, 2011·3 cites·19 claims
- 2474US6775416B1System and method for inserting information in DCT coefficient domainNEC CORP·Filed 2000·Granted Aug 10, 2004·11 cites·10 claims
- 2573US9195133B2Mask blank, transfer mask and method of manufacturing transfer maskHOYA CORP·Filed 2013·Granted Nov 24, 2015·1 cites·29 claims
- 2673US8409772B2Mask blank and method of manufacturing a transfer maskHASHIMOTO MASAHIRO·Filed 2011·Granted Apr 2, 2013·2 cites·17 claims
- 2772US8507155B2Photomask blank, photomask, and method for manufacturing photomask blankIWASHITA HIROYUKI·Filed 2009·Granted Aug 13, 2013·3 cites·12 claims
- 2871US9372393B2Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor deviceHOYA CORP·Filed 2014·Granted Jun 21, 2016·1 cites·21 claims
- 2970US6319649B1Photosensitive resin composition and method of forming resist imagesHITACHI LTD·Filed 1998·Granted Nov 20, 2001·31 cites·20 claims
- 3068US8404407B2Mask blank, mask blank manufacturing method, transfer mask, and transfer mask manufacturing methodHASHIMOTO MASAHIRO·Filed 2010·Granted Mar 26, 2013·3 cites·11 claims
- 3168US8048594B2Photomask blank, photomask, and methods of manufacturing the sameHOYA CORP·Filed 2009·Granted Nov 1, 2011·2 cites·18 claims
- 3267US9005851B2Phase shift mask blank and phase shift maskHOYA CORP·Filed 2012·Granted Apr 14, 2015·1 cites·15 claims
- 3367US8535855B2Mask blank manufacturing method, transfer mask manufacturing method, mask blank, and transfer maskSAKAI KAZUYA·Filed 2011·Granted Sep 17, 2013·1 cites·21 claims
- 3467US6826289B1System for changing attribute of image by electronic watermarkNEC CORP·Filed 1999·Granted Nov 30, 2004·40 cites·8 claims
- 3566US9104112B2Mask blank, method of manufacturing the same, and transfer maskSAKAI KAZUYA·Filed 2011·Granted Aug 11, 2015·1 cites·14 claims
- 3666US8574793B2Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor deviceKOMINATO ATSUSHI·Filed 2011·Granted Nov 5, 2013·2 cites·25 claims
- 3765US10042247B2Mask blank, method for manufacturing mask blank and transfer maskHOYA CORP·Filed 2015·Granted Aug 7, 2018·1 cites·11 claims
- 3865US8501372B2Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor deviceKOMINATO ATSUSHI·Filed 2011·Granted Aug 6, 2013·1 cites·22 claims
- 3965US6553070B2Video-data encoder and recording media wherein a video-data encode program is recordedNEC CORP·Filed 1998·Granted Apr 22, 2003·40 cites·8 claims
- 4064US4561863AGrinding wheel and manufacturing method thereofTOSHIBA KK·Filed 1984·Granted Dec 31, 1985·17 cites·22 claims
- 4164US4385365AData shunting and recovering deviceHITACHI LTD·Filed 1979·Granted May 24, 1983·24 cites·5 claims
- 4263US8304147B2Photomask blank, photomask, and method for manufacturing photomask blankIWASHITA HIROYUKI·Filed 2009·Granted Nov 6, 2012·1 cites·15 claims
- 4363US8221941B2Photomask blank manufacturing method and photomask manufacturing methodSUZUKI TOSHIYUKI·Filed 2009·Granted Jul 17, 2012·1 cites·24 claims
- 4463US2021286254A1Mask blank, transfer mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2021·Application pending·0 cites
- 4563US2024110897A1Polymer Analysis Apparatus and MethodJEOL LTD·Filed 2023·Application pending·0 cites
- 4662US8114556B2Photomask blank and production method thereof, and photomask production method, and semiconductor device production methodYAMADA TAKEYUKI·Filed 2006·Granted Feb 14, 2012·1 cites·32 claims
- 4760US9389501B2Photomask blank, method of manufacturing the same, photomask, and method of manufacturing the sameHOYA CORP·Filed 2014·Granted Jul 12, 2016·0 cites·15 claims
- 4858US9651859B2Mask blank, transfer mask and method of manufacturing transfer maskHOYA CORP·Filed 2015·Granted May 16, 2017·0 cites·21 claims
- 4958US8614035B2Phase shift mask blank, phase shift mask, and method for manufacturing phase shift mask blankNOZAWA OSAMU·Filed 2012·Granted Dec 24, 2013·0 cites·14 claims
- 5058US8512916B2Photomask blank, photomask, and method for manufacturing photomask blankIWASHITA HIROYUKI·Filed 2009·Granted Aug 20, 2013·0 cites·8 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →