Inventor · disambiguated record
Kazutoshi Watanabe
Also filed as: WATANABE KAZUTOSHI
73 granted patents·20 pending applications·703 citations·filing 1988–2024
99Inventor score
Files withSUMITOMO CHEMICAL CO28ALPS ELECTRIC CO LTD13SII NANOTECHNOLOGY INC10HITACHI HIGH TECH SCIENCE CORP5SEIKO INSTR INC5
Top patents by PatentIndex Score
93 records- 0195US6284988B1Keyboard apparatus the operation side of which can be illuminatedALPS ELECTRIC CO LTD·Filed 2000·Granted Sep 4, 2001·88 cites·18 claims
- 0291US6714403B2Foldable keyboard input deviceALPS ELECTRIC CO LTD·Filed 2001·Granted Mar 30, 2004·82 cites·3 claims
- 0388US7288762B2Fine-adjustment mechanism for scanning probe microscopySII NANOTECHNOLOGY INC·Filed 2005·Granted Oct 30, 2007·14 cites·5 claims
- 0487US8450911B2Piezoelectric thin film having a high piezoelectric constant and a low leak currentSHIBATA KENJI·Filed 2010·Granted May 28, 2013·6 cites·12 claims
- 0586US8446074B2Piezoelectric thin-film element and piezoelectric thin-film deviceSHIBATA KENJI·Filed 2011·Granted May 21, 2013·3 cites·10 claims
- 0686US7973942B2Optical displacement detection mechanism and surface information measurement device using the sameSII NANOTECHNOLOGY INC·Filed 2007·Granted Jul 5, 2011·13 cites·14 claims
- 0783US4902892AMethod of measurement by scanning tunneling microscopeAGENCY IND SCIENCE TECHN·Filed 1988·Granted Feb 20, 1990·49 cites·10 claims
- 0882US8334794B2Input device and keyboard device having illumination functionWATANABE KAZUTOSHI·Filed 2009·Granted Dec 18, 2012·13 cites·24 claims
- 0981US8896187B2Piezoelectric film and method for manufacturing the same, piezoelectric film element and method for manufacturing the same, and piezoelectric film deviceSUENAGA KAZUFUMI·Filed 2012·Granted Nov 25, 2014·4 cites·12 claims
- 1081US5120923APush button switchKATO TAKAFUMI·Filed 1990·Granted Jun 9, 1992·38 cites·2 claims
- 1180US10497855B2Ferroelectric thin-film laminated substrate, ferroelectric thin-film device, and manufacturing method of ferroelectric thin-film laminated substrateSUMITOMO CHEMICAL CO·Filed 2016·Granted Dec 3, 2019·1 cites·8 claims
- 1279US7404313B2Scanning probe microscopeSII NANOTECHNOLOGY INC·Filed 2006·Granted Jul 29, 2008·7 cites·4 claims
- 1378US10199564B2Method for manufacturing niobate-system ferroelectric thin-film deviceSUMITOMO CHEMICAL CO·Filed 2016·Granted Feb 5, 2019·2 cites·9 claims
- 1478US8860286B2Piezoelectric thin film element, and piezoelectric thin film deviceSUENAGA KAZUFUMI·Filed 2011·Granted Oct 14, 2014·4 cites·13 claims
- 1577US6803904B2Keyboard input device to be reliably connected to portable deviceALPS ELECTRIC CO LTD·Filed 2001·Granted Oct 12, 2004·22 cites·9 claims
- 1677US6412501B1Drying apparatus and drying methodKIMMON QUARTZ CO LTD·Filed 2000·Granted Jul 2, 2002·23 cites·8 claims
- 1776US7284415B2Scanning probe microscopeSII NANOTECHNOLOGY INC·Filed 2005·Granted Oct 23, 2007·5 cites·12 claims
- 1876US5201824APush button switchALPS ELECTRIC CO LTD·Filed 1992·Granted Apr 13, 1993·27 cites·7 claims
- 1974US8581477B2Piezoelectric film element using (Na,K,Li)NbO3SUENAGA KAZUFUMI·Filed 2011·Granted Nov 12, 2013·3 cites·18 claims
- 2074US7571639B2Method of correcting opaque defect of photomask using atomic force microscope fine processing deviceSII NANOTECHNOLOGY INC·Filed 2007·Granted Aug 11, 2009·4 cites·5 claims
- 2174US5950328ADrying method and drying equipmentKIMMON QUARTZ CO LTD·Filed 1997·Granted Sep 14, 1999·61 cites·7 claims
- 2272US10658569B2Method for manufacturing niobate-system ferroelectric thin-film deviceSUMITOMO CHEMICAL CO·Filed 2018·Granted May 19, 2020·0 cites·9 claims
- 2372US9293688B2Piezoelectric element and piezoelectric deviceHITACHI CABLE·Filed 2013·Granted Mar 22, 2016·2 cites·19 claims
- 2472US7787133B2Optical displacement-detecting mechanism and probe microscope using the sameSII NANOTECHNOLOGY INC·Filed 2007·Granted Aug 31, 2010·4 cites·13 claims
- 2572US6637445B2Substrate processing unitS E S COMPANY LTD·Filed 2001·Granted Oct 28, 2003·22 cites·9 claims
- 2671US11557713B2Laminated substrate having piezoelectric film, element having piezoelectric film and method for manufacturing this laminated substrateSUMITOMO CHEMICAL CO·Filed 2018·Granted Jan 17, 2023·1 cites·3 claims
- 2771US5967298AKeyboard deviceALPS ELECTRIC CO LTD·Filed 1997·Granted Oct 19, 1999·25 cites·2 claims
- 2870US9893266B2Piezoelectric film element, and piezoelectric film device including piezoelectric film including alkali niobate-based perovskite structureSUMITOMO CHEMICAL CO·Filed 2016·Granted Feb 13, 2018·1 cites·6 claims
- 2970US9685603B2Method for manufacturing niobate-system ferroelectric thin film deviceSUMITOMO CHEMICAL CO·Filed 2016·Granted Jun 20, 2017·1 cites·16 claims
- 3070US8519602B2Piezoelectric thin film element and piezoelectric thin film device using a piezoelectric thin film of alkali-niobium oxide seriesSHIBATA KENJI·Filed 2011·Granted Aug 27, 2013·2 cites·7 claims
- 3170US7740703B2Semiconductor film formation deviceHITACHI CABLE·Filed 2004·Granted Jun 22, 2010·10 cites·16 claims
- 3269US6941798B2Scanning probe microscope and operation methodSII NANOTECHNOLOGY INC·Filed 2003·Granted Sep 13, 2005·18 cites·11 claims
- 3369US2023115136A1Laminated substrate having piezoelectric film, element having piezoelectric film and method for manufacturing this laminated substrateSUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 3467US11107971B2Laminated substrate with piezoelectric thin film, piezoelectric thin film element and method for manufacturing this elementSCIOCS CO LTD·Filed 2016·Granted Aug 31, 2021·0 cites·6 claims
- 3566US8214915B2Cantilever, cantilever system, scanning probe microscope, mass sensor apparatus, viscoelasticity measuring instrument, manipulation apparatus, displacement determination method of cantilever, vibration method of cantilever and deformation method of cantileverSHIGENO MASATSUGU·Filed 2009·Granted Jul 3, 2012·4 cites·32 claims
- 3665US12408556B2Piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stackSUMITOMO CHEMICAL CO·Filed 2019·Granted Sep 2, 2025·0 cites·8 claims
- 3765US6094972ASampling scanning probe microscope and sampling method thereofSEIKO INSTR INC·Filed 1998·Granted Aug 1, 2000·32 cites·21 claims
- 3864US8120059B2Nitride semiconductor substrate and method of fabricating the sameWATANABE KAZUTOSHI·Filed 2009·Granted Feb 21, 2012·2 cites·6 claims
- 3964US7107083B2Input device connected to mobile communication terminal with which characters can be input easilyALPS ELECTRIC CO LTD·Filed 2002·Granted Sep 12, 2006·10 cites·39 claims
- 4062US9368713B2Piezoelectric film-attached substrate, piezoelectric film element and method of manufacturing the sameHITACHI CABLE·Filed 2013·Granted Jun 14, 2016·1 cites·9 claims
- 4162US6215121B1Three-dimensional scanning probe microscopeSEIKO INSTR INC·Filed 1998·Granted Apr 10, 2001·28 cites·17 claims
- 4261US2025221314A1Stacked substrate having piezoelectric film, method for manufacturing stacked substrate, and piezoelectric elementSUMITOMO CHEMICAL CO·Filed 2024·Application pending·0 cites
- 4361US2025221316A1Device including piezoelectric element, stacked substrate, and method for manufacturing the deviceSUMITOMO CHEMICAL CO·Filed 2024·Application pending·0 cites
- 4460US9166142B2Manufacturing method of piezoelectric film element, piezoelectric film element and piezoelectric deviceHORIKIRI FUMIMASA·Filed 2012·Granted Oct 20, 2015·1 cites·3 claims
- 4560US8608373B2Softening point measuring apparatus and thermal conductivity measuring apparatusANDO KAZUNORI·Filed 2010·Granted Dec 17, 2013·1 cites·12 claims
- 4659US11800808B2Piezoelectric stack, piezoelectric element, and method of manufacturing piezoelectric stackSUMITOMO CHEMICAL CO·Filed 2020·Granted Oct 24, 2023·0 cites·5 claims
- 4759US10837982B2Scanning probe microscope and scanning method using the sameHITACHI HIGH TECH SCIENCE CORP·Filed 2019·Granted Nov 17, 2020·0 cites·11 claims
- 4857US6596992B2Method of operating scanning probe microscopeSEIKO INSTR INC·Filed 2001·Granted Jul 22, 2003·12 cites·20 claims
- 4956US11367826B2Piezoelectric laminate, method of manufacturing the piezoelectric laminate and piezoelectric deviceSUMITOMO CHEMICAL CO·Filed 2019·Granted Jun 21, 2022·0 cites·10 claims
- 5055US9385297B2Method for manufacturing niobate-system ferroelectric thin film deviceSUMITOMO CHEMICAL CO·Filed 2014·Granted Jul 5, 2016·0 cites·13 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →