Inventor · disambiguated record
Kiyoshi Yoshikawa
Also filed as: YOSHIKAWA KIYOSHI
43 granted patents·9 pending applications·854 citations·filing 1985–2023
98Inventor score
Top patents by PatentIndex Score
52 records- 0196US9632528B2Information processing apparatus, information processing method, and recording mediumSONY CORP·Filed 2014·Granted Apr 25, 2017·39 cites·12 claims
- 0292US6313681B1Variable delay circuitNEC CORP·Filed 1999·Granted Nov 6, 2001·72 cites·13 claims
- 0390US6466076B2Variable delay circuit having a ramp voltage generating unitNEC CORP·Filed 2001·Granted Oct 15, 2002·41 cites·16 claims
- 0490US5273553AApparatus for bonding semiconductor substratesTOSHIBA KK·Filed 1992·Granted Dec 28, 1993·143 cites·9 claims
- 0589US4752180AMethod and apparatus for handling semiconductor wafersTOSHIBA KK·Filed 1986·Granted Jun 21, 1988·87 cites·13 claims
- 0688US7800433B2Power supply switching circuitSEIKO INSTR INC·Filed 2008·Granted Sep 21, 2010·19 cites·4 claims
- 0788US4968375AEtching apparatusTOSHIBA KK·Filed 1989·Granted Nov 6, 1990·87 cites·2 claims
- 0887US5344492AVapor growth apparatus for semiconductor devicesTOSHIBA KK·Filed 1993·Granted Sep 6, 1994·60 cites·11 claims
- 0986US8217708B2Temperature sensorYOSHIKAWA KIYOSHI·Filed 2009·Granted Jul 10, 2012·15 cites·6 claims
- 1086US5455081AProcess for coating diamond-like carbon film and coated thin stripNIPPON STEEL CORP·Filed 1994·Granted Oct 3, 1995·74 cites·13 claims
- 1181US7446602B2Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuitSEIKO INSTR INC·Filed 2007·Granted Nov 4, 2008·12 cites·6 claims
- 1280US9959578B2Work management system and work management methodOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted May 1, 2018·2 cites·7 claims
- 1380US5129827AMethod for bonding semiconductor substratesTOSHIBA KK·Filed 1990·Granted Jul 14, 1992·73 cites·12 claims
- 1479US11145219B2System and method for changing content based on user reactionSONY CORP·Filed 2017·Granted Oct 12, 2021·1 cites·16 claims
- 1579US8471530B2Battery state monitoring circuit and battery deviceYOSHIKAWA KIYOSHI·Filed 2011·Granted Jun 25, 2013·7 cites·6 claims
- 1678US10019764B2Work management system and work management methodOMRON TATEISI ELECTRONICS CO·Filed 2014·Granted Jul 10, 2018·2 cites·11 claims
- 1777US11157078B2Information processing apparatus, information processing method, and programSONY CORP·Filed 2018·Granted Oct 26, 2021·2 cites·20 claims
- 1876US11179092B2Information processing apparatus and information processing methodSONY CORP·Filed 2017·Granted Nov 23, 2021·2 cites·16 claims
- 1974US7923968B2Charge and discharge control circuit and rechargeable power supply deviceSEIKO INSTR INC·Filed 2008·Granted Apr 12, 2011·2 cites·5 claims
- 2073US9679129B2Information processing device and information processing methodSONY CORP·Filed 2014·Granted Jun 13, 2017·3 cites·16 claims
- 2172US4703222AHall accelerator with preionization dischargeUNIV KYOTO·Filed 1985·Granted Oct 27, 1987·19 cites·4 claims
- 2269US10359837B2Information processing device and information processing methodSONY CORP·Filed 2016·Granted Jul 23, 2019·1 cites·17 claims
- 2367US7990130B2Band gap reference voltage circuitSEIKO INSTR INC·Filed 2009·Granted Aug 2, 2011·6 cites·16 claims
- 2467US2022028296A1Information processing apparatus, information processing method, and computer programSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 2565US11864903B2Information processing apparatus and information processing methodSONY GROUP CORP·Filed 2021·Granted Jan 9, 2024·0 cites·14 claims
- 2665US11295127B2Electronic device, information processing method, and programSONY CORP·Filed 2017·Granted Apr 5, 2022·1 cites·20 claims
- 2764US8901966B2Sensor circuitSEIKO INSTR INC·Filed 2014·Granted Dec 2, 2014·2 cites·4 claims
- 2862US10572003B2Information processing device and information processing methodSONY CORP·Filed 2019·Granted Feb 25, 2020·0 cites·20 claims
- 2962US8872490B2Voltage regulatorSEIKO INSTR INC·Filed 2013·Granted Oct 28, 2014·1 cites·6 claims
- 3061US8058845B2Battery state monitoring circuit and battery apparatusTANGE YOSHIHISA·Filed 2008·Granted Nov 15, 2011·6 cites·18 claims
- 3159US9099874B2Battery state monitoring circuit and battery deviceYOSHIKAWA KIYOSHI·Filed 2011·Granted Aug 4, 2015·1 cites·3 claims
- 3259US5866198AMethod of fabricating a compound semiconductor having a plurality of layers using a flow compensation techniqueTOSHIBA KK·Filed 1997·Granted Feb 2, 1999·26 cites·8 claims
- 3357US2024412560A1Information processing device, communication support device, and communication support systemSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3457US2025000383A1Signal processing apparatus and methodSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 3555US10748162B2Information processing device, information processing system, and information processing methodSONY CORP·Filed 2014·Granted Aug 18, 2020·0 cites·10 claims
- 3655US7990669B2Battery protection circuit and battery deviceSEIKO INSTR INC·Filed 2009·Granted Aug 2, 2011·2 cites·19 claims
- 3754US9953376B2Work management system and work management methodOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted Apr 24, 2018·0 cites·9 claims
- 3854US9953374B2Work management system and work management methodOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted Apr 24, 2018·0 cites·5 claims
- 3954US9953375B2Work management system and work management methodOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted Apr 24, 2018·0 cites·13 claims
- 4054US5176783ASemiconductor substrate etching apparatusTOSHIBA KK·Filed 1991·Granted Jan 5, 1993·25 cites·5 claims
- 4153US12373526B2Authentication device, authentication method, and information processing deviceSONY GROUP CORP·Filed 2020·Granted Jul 29, 2025·0 cites·19 claims
- 4253US11610430B2Information processing apparatus, wearable device, information processing method, and programSONY CORP·Filed 2019·Granted Mar 21, 2023·0 cites·20 claims
- 4353US2025172991A1Information processing apparatus, information processing method, and programSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 4452US2009185323A1Overheat protection circuitYOSHIKAWA KIYOSHI·Filed 2009·Application pending·0 cites
- 4551US8405359B2Battery protection IC and battery deviceTANGE YOSHIHISA·Filed 2008·Granted Mar 26, 2013·2 cites·7 claims
- 4649US5395446ASemiconductor treatment apparatusTOSHIBA KK·Filed 1993·Granted Mar 7, 1995·19 cites·14 claims
- 4745US10607427B2Information processing device, information processing method, and program for recognizing a userSONY CORP·Filed 2016·Granted Mar 31, 2020·0 cites·21 claims
- 4844US10332519B2Information processing apparatus, information processing method, and programSONY CORP·Filed 2016·Granted Jun 25, 2019·0 cites·19 claims
- 4942US2012233403A1Electronic device, control method thereof, program, and storage mediumYOSHIKAWA KIYOSHI·Filed 2012·Application pending·0 cites
- 5040US2011302574A1Update management server, electronic apparatus, update management system, and method thereforYOSHIKAWA KIYOSHI·Filed 2011·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Yoshikawa 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 →