Inventor · disambiguated record
Koji Kitahara
Also filed as: KITAHARA KOJI
23 granted patents·19 pending applications·103 citations·filing 1997–2024
94Inventor score
Top patents by PatentIndex Score
42 records- 0189US8094692B2Modulation method, modulation program, recording medium, modulation device, and optical transmitterNAKAMURA HIROTAKA·Filed 2009·Granted Jan 10, 2012·13 cites·25 claims
- 0282US10473913B2Variable wavelength interference filter, optical module, and optical analysis deviceSEIKO EPSON CORP·Filed 2018·Granted Nov 12, 2019·2 cites·2 claims
- 0382US9588333B2Wavelength tunable interference filter, method for manufacturing wavelength tunable interference filter, optical module, and electronic apparatusSEIKO EPSON CORP·Filed 2013·Granted Mar 7, 2017·5 cites·18 claims
- 0481US6863375B2Ejection device and inkjet head with silicon nozzle plateSEIKO EPSON CORP·Filed 2001·Granted Mar 8, 2005·20 cites·5 claims
- 0573US8947782B2Wavelength variable interference filter, optical module, and light analyzerHIROKUBO NOZOMU·Filed 2011·Granted Feb 3, 2015·3 cites·8 claims
- 0666US8593723B2Method of manufacturing variable wavelength interference filter and variable wavelength interference filterKITAHARA KOJI·Filed 2011·Granted Nov 26, 2013·2 cites·5 claims
- 0765US6375858B1Method of forming nozzle for injection device and method of manufacturing inkjet headSEIKO EPSON CORP·Filed 1998·Granted Apr 23, 2002·20 cites·10 claims
- 0865US2024067033A1Management server, management method, and non-transitory storage mediumNEC CORP·Filed 2023·Application pending·0 cites
- 0962US12418987B2Circuit board, method for manufacturing circuit board, and resonator deviceSEIKO EPSON CORP·Filed 2023·Granted Sep 16, 2025·0 cites·10 claims
- 1062US11728782B2Resonator device and method for manufacturing resonator deviceSEIKO EPSON CORP·Filed 2022·Granted Aug 15, 2023·0 cites·13 claims
- 1162US9322966B2Interference filter having Ag—Bi—Nd alloy filmSEIKO EPSON CORP·Filed 2013·Granted Apr 26, 2016·1 cites·13 claims
- 1261US7881414B2Bit rate discrimination circuit based on a low frequency component of signalNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Feb 1, 2011·4 cites·14 claims
- 1360US12494767B2Vibration device and method for manufacturing vibration deviceSEIKO EPSON CORP·Filed 2022·Granted Dec 9, 2025·0 cites·7 claims
- 1458US6410107B2Methods for manufacturing an electrostatic actuatorSEIKO EPSON CORP·Filed 2000·Granted Jun 25, 2002·6 cites·17 claims
- 1558US2024326436A1Method Of Manufacturing Liquid Ejecting HeadSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1658US2023364910A1Single crystal silicon substrate, liquid discharge head, and method for manufacturing single crystal silicon substrateSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 1756US8083328B2Electrostatic actuator, droplet discharging head, method of manufacturing thereof and droplet discharging deviceKITAHARA KOJI·Filed 2008·Granted Dec 27, 2011·3 cites·6 claims
- 1856US2018157027A1Wavelength tunable interference filter, optical filter device, optical module, and electronic apparatusSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 1954US2023364907A1Single crystal silicon substrate, liquid discharge head, and method for manufacturing single crystal silicon substrateSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 2051US6190003B1Electrostatic actuator and manufacturing method thereforSEIKO EPSON CORP·Filed 1997·Granted Feb 20, 2001·10 cites·17 claims
- 2151US2014091211A1Wavelength tunable interference filter, optical filter device, optical module, and electronic apparatusSEIKO EPSON CORP·Filed 2013·Application pending·0 cites
- 2251US2023327470A1Charger control apparatus, charger control method, and non-transitory computer-readable mediumNEC CORP·Filed 2023·Application pending·0 cites
- 2351US2012188646A1Variable wavelength interference filter, optical module, and optical analysis deviceSANO AKIRA·Filed 2012·Application pending·0 cites
- 2450US6450625B1Electrostatic actuator, manufacturing method therefor, and liquid discharging device using the sameSEIKO EPSON CORP·Filed 1999·Granted Sep 17, 2002·11 cites·40 claims
- 2550US2015124324A1Wavelength variable interference filter, optical module, and light analyzerSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 2649US6799834B2Method for manufacturing an electrostatic actuatorSEIKO EPSON CORP·Filed 2002·Granted Oct 5, 2004·3 cites·6 claims
- 2749US2015253564A1INTERFERENCE FILTER HAVING Ag-Sm-Cu REFLECTIVE FILMSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 2847US10007106B2Optical filter, optical module, electronic apparatus, and method of manufacturing optical filterSEIKO EPSON CORP·Filed 2014·Granted Jun 26, 2018·0 cites·13 claims
- 2947US2010183881A1LaminateYASUI SHIGEYUKI·Filed 2007·Application pending·0 cites
- 3047US2012019812A1Interference filter, optical module, and analyzing deviceSHINTO SUSUMU·Filed 2011·Application pending·0 cites
- 3145US9447267B2Modified polypropylene composition and laminate using the sameMATSUMOTO HIRONORI·Filed 2011·Granted Sep 20, 2016·0 cites·12 claims
- 3243US8848292B2Optical filter and method for manufacturing optical filterKITAHARA KOJI·Filed 2011·Granted Sep 30, 2014·0 cites·9 claims
- 3343US8369713B2Bit-rate discrimination method and its apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2010·Granted Feb 5, 2013·0 cites·25 claims
- 3443US2001023559A1Process for making brick-faced construction material and brick-faced block made by this processTOYO EXTERIOR CO LTD·Filed 2001·Application pending·0 cites
- 3542US8970957B2Tunable interference filter, optical module, and electronic deviceKITAHARA KOJI·Filed 2012·Granted Mar 3, 2015·0 cites·7 claims
- 3641US7936842B2Automatic bit rate control circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted May 3, 2011·0 cites·15 claims
- 3740US2012044570A1Interference filter, optical module, and analysis deviceKITAHARA KOJI·Filed 2011·Application pending·0 cites
- 3840US2012132349A1Method for producing tunable interference filterMATSUNO YASUSHI·Filed 2011·Application pending·0 cites
- 3938US2011170832A1Optical transceiver module and method of manufacturing the optical transceiver moduleFUJIKURA LTD·Filed 2011·Application pending·0 cites
- 4036US2012019827A1Interference filter, optical module, and analyzing deviceSHINTO SUSUMU·Filed 2011·Application pending·0 cites
- 4133US2015248004A1Light filter, optical module, electronic device, and manufacturing method of light filterSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 4233US2015248005A1Light filter, optical module, and electronic deviceSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →