Inventor · disambiguated record
Tomokazu Yamada
Also filed as: YAMADA TOMOKAZU
36 granted patents·4 pending applications·160 citations·filing 2000–2021
95Inventor score
Files withSEIKO EPSON CORP24DAINIPPON INK & CHEMICALS5MITSUBISHI HEAVY IND LTD3NIPPON TELEGRAPH & TELEPHONE3FUJITSU LTD2
Top patents by PatentIndex Score
40 records- 0196US9908329B2Liquid ejecting apparatus and drive circuitSEIKO EPSON CORP·Filed 2017·Granted Mar 6, 2018·9 cites·6 claims
- 0295US9849670B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2017·Granted Dec 26, 2017·7 cites·5 claims
- 0391US6400045B1Cooling fan controllerFUJITSU LTD·Filed 2000·Granted Jun 4, 2002·105 cites·10 claims
- 0490US11345143B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted May 31, 2022·2 cites·9 claims
- 0586US9731501B2Liquid ejecting apparatus, head unit, integrated circuit device for driving capacitive load, and capacitive load driving circuitSEIKO EPSON CORP·Filed 2016·Granted Aug 15, 2017·2 cites·3 claims
- 0685US9539805B2Liquid discharging apparatus, head unit, capacitive load driving circuit, and integrated circuit device for capacitive load drivingSEIKO EPSON CORP·Filed 2015·Granted Jan 10, 2017·2 cites·8 claims
- 0784US10035342B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2017·Granted Jul 31, 2018·2 cites·5 claims
- 0883US11165567B2Permission information management system, and permission information management methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Nov 2, 2021·4 cites·4 claims
- 0983US10000058B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2017·Granted Jun 19, 2018·2 cites·6 claims
- 1083US9522528B2Liquid discharging apparatus, head unit, integrated circuit device for capacitive load driving, and capacitive load driving circuitSEIKO EPSON CORP·Filed 2015·Granted Dec 20, 2016·2 cites·10 claims
- 1179US9957402B2Compound, active energy ray curable composition, cured article thereof, printing ink, and inkjet recording inkDAINIPPON INK & CHEMICALS·Filed 2015·Granted May 1, 2018·2 cites·13 claims
- 1276US10457041B2Liquid discharge apparatus, circuit substrate, and integrated circuit deviceSEIKO EPSON CORP·Filed 2018·Granted Oct 29, 2019·1 cites·16 claims
- 1375US11079675B2Compound, photocurable composition, cured product of same, printing ink, and printed matter curing the printing inkDAINIPPON INK & CHEMICALS·Filed 2017·Granted Aug 3, 2021·2 cites·6 claims
- 1475US9545789B2Liquid ejecting apparatus, head unit, integrated circuit device for driving capacitive load, and capacitive load driving circuitSEIKO EPSON CORP·Filed 2015·Granted Jan 17, 2017·1 cites·7 claims
- 1574US9701857B2Active energy ray-curable composition, and ink composition for inkjet recording use which is prepared using said compositionDAINIPPON INK & CHEMICALS·Filed 2014·Granted Jul 11, 2017·2 cites·5 claims
- 1672US6753911B1Zooming lens barrel and a camera in use therewithKONISHIROKU PHOTO IND·Filed 2000·Granted Jun 22, 2004·15 cites·24 claims
- 1766US12015695B2User terminal, permission information management method, and permission information management programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Jun 18, 2024·0 cites·7 claims
- 1866US11876897B2Right holder terminal, permission information management method, and permission information management programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Jan 16, 2024·0 cites·7 claims
- 1960US2018072049A1Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
- 2059US10434767B2Liquid ejecting apparatus, head unit, integrated circuit device for driving capacitive load, and capacitive load driving circuitSEIKO EPSON CORP·Filed 2016·Granted Oct 8, 2019·0 cites·5 claims
- 2158US10821726B2Print head, liquid ejection apparatus, and piezoelectric element control circuitSEIKO EPSON CORP·Filed 2019·Granted Nov 3, 2020·0 cites·15 claims
- 2257US11345144B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted May 31, 2022·0 cites·6 claims
- 2357US9399341B2Liquid ejecting apparatus, head unit, integrated circuit device for driving capacitive load, and capacitive load driving circuitSEIKO EPSON CORP·Filed 2015·Granted Jul 26, 2016·0 cites·7 claims
- 2456US10857789B2Print head, liquid ejection apparatus, and piezoelectric element control circuitSEIKO EPSON CORP·Filed 2019·Granted Dec 8, 2020·0 cites·15 claims
- 2554US11396177B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted Jul 26, 2022·0 cites·7 claims
- 2652US11815069B2Main bearing replacement method for wind turbine power generation facilityMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Nov 14, 2023·0 cites·14 claims
- 2750US9764548B2Liquid discharging apparatus, head unit, capacitive load driving circuit, and integrated circuit device for capacitive load drivingSEIKO EPSON CORP·Filed 2016·Granted Sep 19, 2017·0 cites·6 claims
- 2849US11446924B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted Sep 20, 2022·0 cites·7 claims
- 2949US8508146B2Electronic device, control circuit, and method for controlling light emitting elementHIRANO TAKESHI·Filed 2011·Granted Aug 13, 2013·0 cites·10 claims
- 3047US11118572B2Method of remodeling wind turbine power generation facilityMITSUBISHI HEAVY IND LTD·Filed 2018·Granted Sep 14, 2021·0 cites·13 claims
- 3146US10889108B2Print head, liquid ejection apparatus, and piezoelectric element control circuitSEIKO EPSON CORP·Filed 2019·Granted Jan 12, 2021·0 cites·15 claims
- 3245US2013257162A1Power supply device and electronic device systemFUJITSU LTD·Filed 2013·Application pending·0 cites
- 3344US11345142B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted May 31, 2022·0 cites·7 claims
- 3444US11207885B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted Dec 28, 2021·0 cites·10 claims
- 3543US10464316B2Liquid discharge apparatus, circuit substrate, and integrated circuit deviceSEIKO EPSON CORP·Filed 2018·Granted Nov 5, 2019·0 cites·14 claims
- 3643US2014275319A1Active-energy-radiation-curable inkjet recording inkDAINIPPON INK & CHEMICALS·Filed 2012·Application pending·0 cites
- 3742US11479569B2Compound, photopolymerization initiator, photocurable composition and cured product thereof, and photocurable ink and print using the sameDAINIPPON INK & CHEMICALS·Filed 2017·Granted Oct 25, 2022·0 cites·9 claims
- 3842US11298939B2Liquid ejecting apparatus, drive circuit, and integrated circuitSEIKO EPSON CORP·Filed 2020·Granted Apr 12, 2022·0 cites·6 claims
- 3941US2022341396A1Method for lifting/lowering long object in wind power generating apparatusMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 4030US8726356B2Authentication apparatus, authentication method, and authentication program implementing the methodKONYA YUKO·Filed 2008·Granted May 13, 2014·0 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →