Inventor · disambiguated record
Ken Sato
Also filed as: SATO KEN · SATO KEN-ICHI
100 granted patents·47 pending applications·1,094 citations·filing 1975–2025
99Inventor score
Files withSANKEN ELECTRIC CO LTD28SATO KEN19OLYMPUS CORP18MITSUBISHI CHEM CORP8SUMITOMO ELECTRIC INDUSTRIES7
Top patents by PatentIndex Score
147 records- 0197US4604992AEndoscope systemOLYMPUS OPTICAL CO·Filed 1984·Granted Aug 12, 1986·170 cites·9 claims
- 0296US7777254B2Normally-off field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Aug 17, 2010·58 cites·6 claims
- 0396US4646724AEndoscopic photographing apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted Mar 3, 1987·153 cites·19 claims
- 0495US4561429AFlashlight control apparatus for endoscopeOLYMPUS OPTICAL CO·Filed 1983·Granted Dec 31, 1985·38 cites·4 claims
- 0594US11674073B2Diverting agent and method of filling fracture in well using sameMITSUBISHI CHEM CORP·Filed 2021·Granted Jun 13, 2023·2 cites·5 claims
- 0692US8264001B2Semiconductor wafer having multi-layered buffer region formed from compound semiconductor materialsSATO KEN·Filed 2010·Granted Sep 11, 2012·16 cites·10 claims
- 0792US6354087B1Method and apparatus for cooling superconductorSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 12, 2002·103 cites·80 claims
- 0891US3952571AMethod of manufacturing aluminum conductor wiresSUMITOMO ELECTRIC INDUSTRIES·Filed 1975·Granted Apr 27, 1976·28 cites·2 claims
- 0990US12080583B2Base plate and substrate fixing deviceSHINKO ELECTRIC IND CO·Filed 2022·Granted Sep 3, 2024·1 cites·10 claims
- 1090US8159004B2Compound semiconductor device having dopant concentration gradientSATO KEN·Filed 2009·Granted Apr 17, 2012·18 cites·9 claims
- 1189US12424003B2Collation device, non-transitory computer readable medium storing program, and collation methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Sep 23, 2025·2 cites·16 claims
- 1289US11825190B2Collation deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Nov 21, 2023·2 cites·15 claims
- 1388US8690380B2Surface illumination method using point light source, linear light source device, and surface illumination device using linear light source deviceSATO EIICHI·Filed 2010·Granted Apr 8, 2014·13 cites·10 claims
- 1486US10586701B2Semiconductor base having a composition graded buffer layer stackSANKEN ELECTRIC CO LTD·Filed 2016·Granted Mar 10, 2020·5 cites·19 claims
- 1586US8247842B2Nitride semiconductor device having graded aluminum contentSATO KEN·Filed 2010·Granted Aug 21, 2012·8 cites·6 claims
- 1685US10115589B2Epitaxial substrate for electronic devices, electronic device, method for producing the epitaxial substrate for electronic devices, and method for producing the electronic deviceSHINETSU HANDOTAI KK·Filed 2015·Granted Oct 30, 2018·4 cites·8 claims
- 1784US9673052B2Silicon-based substrate having first and second portionsSANKEN ELECTRIC CO LTD·Filed 2014·Granted Jun 6, 2017·5 cites·8 claims
- 1884US8410525B2Compound semiconductor substrate and device therewithSATO KEN·Filed 2009·Granted Apr 2, 2013·11 cites·7 claims
- 1984US5754320AOptical cross-connect systemNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted May 19, 1998·84 cites·18 claims
- 2083US10016120B2Curvature sensor and endoscope apparatusOLYMPUS CORP·Filed 2016·Granted Jul 10, 2018·5 cites·10 claims
- 2183US8384089B2Nitride semiconductor device and method of manufacturing the sameSANKEN ELECTRIC CO LTD·Filed 2011·Granted Feb 26, 2013·6 cites·10 claims
- 2283US7615452B2Method of fabrication of normally-off field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Nov 10, 2009·9 cites·13 claims
- 2382US11037495B2Device and method for controlling a self-luminous display panelSYNAPTICS INC·Filed 2020·Granted Jun 15, 2021·2 cites·15 claims
- 2481US10833184B2Semiconductor device substrate, semiconductor device, and method for manufacturing semiconductor device substrateSANKEN ELECTRIC CO LTD·Filed 2017·Granted Nov 10, 2020·3 cites·17 claims
- 2581US8164117B2Nitride semiconductor deviceSATO KEN·Filed 2009·Granted Apr 24, 2012·9 cites·5 claims
- 2680US10553674B2Substrate for semiconductor device, semiconductor device, and method for manufacturing semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2016·Granted Feb 4, 2020·3 cites·20 claims
- 2780US10529842B2Semiconductor base substance having a boron containing buffer layer, semiconductor device including the same, and methods for manufacturing the semiconductor base substance and the semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2016·Granted Jan 7, 2020·3 cites·8 claims
- 2880US8487346B2Semiconductor deviceSATO KEN·Filed 2010·Granted Jul 16, 2013·6 cites·8 claims
- 2980US4697320ARoll for a rolling mill, method of producing the same and the rolling mill incorporating the rollHITACHI LTD·Filed 1984·Granted Oct 6, 1987·17 cites·20 claims
- 3078US9081229B2Surface light source unit, surface illumination device, and liquid crystal display deviceSATO EIICHI·Filed 2010·Granted Jul 14, 2015·5 cites·22 claims
- 3178US7868355B2Hetero field effect transistor and manufacturing method thereofSANKEN ELECTRIC CO LTD·Filed 2009·Granted Jan 11, 2011·7 cites·4 claims
- 3277US10806231B2Drawing apparatus, drawing method, and recording medium storing programCASIO COMPUTER CO LTD·Filed 2018·Granted Oct 20, 2020·2 cites·11 claims
- 3376US7989816B2Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2009·Granted Aug 2, 2011·6 cites·5 claims
- 3474US9876101B2Semiconductor substrate and semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jan 23, 2018·2 cites·11 claims
- 3574US8564021B2Semiconductor device and its manufacturing methodSATO KEN·Filed 2010·Granted Oct 22, 2013·3 cites·8 claims
- 3674US2025122326A1Holographic recording medium compositionMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 3773US9084033B2Optical cross-connect apparatusUNIV NAGOYA NAT UNIV CORP·Filed 2013·Granted Jul 14, 2015·4 cites·19 claims
- 3872US7859017B2Normally-off field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2009·Granted Dec 28, 2010·4 cites·12 claims
- 3972US7838906B2Semiconductor device and method of manufacturing the sameSANKEN ELECTRIC CO LTD·Filed 2008·Granted Nov 23, 2010·4 cites·7 claims
- 4072US7777253B2Field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Aug 17, 2010·5 cites·11 claims
- 4172US6731876B1Packet transmission device and packet transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted May 4, 2004·31 cites·9 claims
- 4272US2025122178A1Compound, polymerizable composition, polymer, holographic recording medium, optical material, and optical componentMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 4371US9966259B2Silicon-based substrate, semiconductor device, and method for manufacturing semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted May 8, 2018·1 cites·8 claims
- 4471US9520286B2Semiconductor substrate, semiconductor device and method of manufacturing the semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2014·Granted Dec 13, 2016·2 cites·20 claims
- 4570US9654851B2Optical cross-connect deviceJAPAN SCIENCE & TECH AGENCY·Filed 2014·Granted May 16, 2017·2 cites·12 claims
- 4670US8915840B2Capsule-type medical device, power supply apparatus, and power supply systemSATO KEN·Filed 2011·Granted Dec 23, 2014·6 cites·14 claims
- 4770US8563984B2Semiconductor deviceSATO KEN·Filed 2010·Granted Oct 22, 2013·3 cites·9 claims
- 4870US5630708ARadial piston pump for low-viscosity fuelZEXEL CORP·Filed 1994·Granted May 20, 1997·28 cites·20 claims
- 4970US5583058AInfrared detection element array and method for fabricating the sameMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Dec 10, 1996·38 cites·6 claims
- 5069US10842359B2Curvature sensor and endoscope apparatus equipped with the sameOLYMPUS CORP·Filed 2017·Granted Nov 24, 2020·1 cites·19 claims
Showing the top 50 of 147 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ken Sato files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →