Inventor · disambiguated record
Masafumi Seki
Also filed as: SEKI MASAFUMI
18 granted patents·375 citations·filing 1980–2017
95Inventor score
Files withCANON KK11NIPPON ELECTRIC CO2NIPPON SHEET GLASS CO LTD2SHINKO ELECTRIC IND CO2KYOCERA CORP1
Top patents by PatentIndex Score
18 records- 0199US9278540B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2015·Granted Mar 8, 2016·31 cites·13 claims
- 0298US10207511B2Ink cartridge and ink jet printerCANON KK·Filed 2017·Granted Feb 19, 2019·25 cites·20 claims
- 0398US9840082B2Ink cartridge and ink jet printerCANON KK·Filed 2016·Granted Dec 12, 2017·32 cites·16 claims
- 0498US9821562B2Ink cartridge and ink jet printerCANON KK·Filed 2016·Granted Nov 21, 2017·30 cites·20 claims
- 0598US9597884B2Ink cartridge and ink jet printerCANON KK·Filed 2016·Granted Mar 21, 2017·49 cites·20 claims
- 0698US9333758B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2015·Granted May 10, 2016·35 cites·15 claims
- 0784US8648461B2Semiconductor deviceSHINKO ELECTRIC IND CO·Filed 2012·Granted Feb 11, 2014·7 cites·10 claims
- 0884US4375910AOptical isolatorNIPPON ELECTRIC CO·Filed 1980·Granted Mar 8, 1983·43 cites·3 claims
- 0976US4790615ADemultiplexing and/or multiplexing optical circuitNIPPON SHEET GLASS CO LTD·Filed 1987·Granted Dec 13, 1988·39 cites·8 claims
- 1073USD767674SInk tank for printerCANON KK·Filed 2014·Granted Sep 27, 2016·17 cites·1 claims
- 1173USD767673SInk tank for printerCANON KK·Filed 2014·Granted Sep 27, 2016·17 cites·1 claims
- 1270US4575851ADouble channel planar buried heterostructure laser with periodic structure formed in guide layerNIPPON ELECTRIC CO·Filed 1982·Granted Mar 11, 1986·17 cites·17 claims
- 1368USD767672SInk tank for printerCANON KK·Filed 2014·Granted Sep 27, 2016·14 cites·1 claims
- 1453US9931855B2Liquid storage containerCANON KK·Filed 2016·Granted Apr 3, 2018·0 cites·20 claims
- 1551US5160360AProcess for producing low-loss embedded waveguideNIPPON SHEET GLASS CO LTD·Filed 1990·Granted Nov 3, 1992·15 cites·13 claims
- 1644USD767675SInk tank for printerCANON KK·Filed 2014·Granted Sep 27, 2016·4 cites·1 claims
- 1740US9184106B2Heat sink and semiconductor deviceSHINKO ELECTRIC IND CO·Filed 2014·Granted Nov 10, 2015·0 cites·8 claims
- 1835US10594084B2Electrical connector having an actuator structureKYOCERA CORP·Filed 2016·Granted Mar 17, 2020·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →