Inventor · disambiguated record
Koichi Sakai
Also filed as: HORIE SATORU · IKEYAMA KAZUNORI · SAKAI KOICHI
42 granted patents·19 pending applications·581 citations·filing 1976–2023
98Inventor score
Top patents by PatentIndex Score
61 records- 0190US4262255ALevel indicating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Apr 14, 1981·72 cites·2 claims
- 0285USD284504SStoveIMANISHI KINZOKU KOGYO KK IMARFLEX MFG CO LTD·Filed 1983·Granted Jul 1, 1986·22 cites·1 claims
- 0384US2023079905A1Eyeglass lens, composition for primer layer formation, and method for manufacturing eyeglass lensNIKON ESSILOR CO LTD·Filed 2022·Application pending·0 cites
- 0483US4795933ASalient-pole rotary electric machineHITACHI LTD·Filed 1983·Granted Jan 3, 1989·43 cites·2 claims
- 0581US6554730B1Auxiliary device for bicycle with traction roller type gearNSK LTD·Filed 1998·Granted Apr 29, 2003·52 cites·5 claims
- 0680US8648548B2Current generatorSAKAI KOICHI·Filed 2011·Granted Feb 11, 2014·6 cites·5 claims
- 0780US2024094557A1Eyeglass lens, composition for primer layer formation, and method for manufacturing eyeglass lensNIKON ESSILOR CO LTD·Filed 2023·Application pending·0 cites
- 0879US5931759AFriction-roller speed changerNSK LTD·Filed 1998·Granted Aug 3, 1999·31 cites·4 claims
- 0978US2020096785A1Eyeglass lens, composition for primer layer formation, and method for manufacturing eyeglass lensNIKON ESSILOR CO LTD·Filed 2019·Application pending·0 cites
- 1075US4645788AChloroprene rubber compositionKAO CORP·Filed 1985·Granted Feb 24, 1987·23 cites·8 claims
- 1174US4320534ALoudness control circuitTOKO INC·Filed 1980·Granted Mar 16, 1982·21 cites·3 claims
- 1272US4122422ADeflection device for use with in-line type color cathode ray tubesSONY CORP·Filed 1977·Granted Oct 24, 1978·16 cites·6 claims
- 1371US4394625ASemiconductor integrated circuit deviceTOKO INC·Filed 1981·Granted Jul 19, 1983·14 cites·16 claims
- 1471US4096531ADeflection yokeSONY CORP·Filed 1977·Granted Jun 20, 1978·12 cites·9 claims
- 1569US4041428ADeflection yoke for use with in-line cathode ray tubesSONY CORP·Filed 1976·Granted Aug 9, 1977·14 cites·6 claims
- 1668US5704884AMachine tool with slide cover apparatusTOYODA MACHINE WORKS LTD·Filed 1995·Granted Jan 6, 1998·29 cites·11 claims
- 1767US8276100B2Input control deviceNAGAI TETSUYA·Filed 2006·Granted Sep 25, 2012·6 cites·17 claims
- 1865US4195203ANoise cancelling system for FM receiverTOKO INC·Filed 1978·Granted Mar 25, 1980·12 cites·2 claims
- 1963US4575643AFull-wave rectifier circuitTOKO INC·Filed 1983·Granted Mar 11, 1986·16 cites·3 claims
- 2062US4375598ATransistor circuit having two comparator levelsTOKO INC·Filed 1980·Granted Mar 1, 1983·12 cites·2 claims
- 2161US4760310ACathode-ray tubes and coating materials thereforHITACHI POWDERED METALS·Filed 1986·Granted Jul 26, 1988·12 cites·3 claims
- 2259US4177488AMagnetic recording and playback means with indication of tape remainingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Dec 4, 1979·9 cites·7 claims
- 2359US2025189300A1Spatial light modulation device, processing device, and position estimation methodHAMAMATSU PHOTONICS KK·Filed 2023·Application pending·0 cites
- 2456USD300455SKerosene heaterIMARFLEX MFG·Filed 1986·Granted Mar 28, 1989·7 cites·1 claims
- 2555US6238408B1Balloon catheterNIPPON ZEON CO·Filed 1998·Granted May 29, 2001·37 cites·12 claims
- 2655US5290623AThermal transfer recording mediumKAO CORP·Filed 1991·Granted Mar 1, 1994·18 cites·41 claims
- 2751USD288358SStoveIMARFLEX MFG·Filed 1983·Granted Feb 17, 1987·4 cites·1 claims
- 2850US2024293172A1Cautery puncture needleYOKOWO SEISAKUSHO KK·Filed 2021·Application pending·0 cites
- 2949US4604547ADeflection system for a two electron beam cathode ray tubeSONY CORP·Filed 1984·Granted Aug 5, 1986·5 cites·8 claims
- 3049US2011008533A1Coater and method of manufacturing plastic lensHOYA CORP·Filed 2009·Application pending·0 cites
- 3149US2010153790A1Performance trouble isolation support apparatusFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3248USD294967SKerosene stoveImanishi Kinzoku Kogyo Kasbushiki Kaisha·Filed 1985·Granted Mar 29, 1988·5 cites·1 claims
- 3347US2009271739A1Input control unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3447US2022031383A1Cautery puncture needleYOKOWO SEISAKUSHO KK·Filed 2019·Application pending·0 cites
- 3546US9161405B2Light emitting diode driving circuit and systemSAKAI KOICHI·Filed 2012·Granted Oct 13, 2015·0 cites·10 claims
- 3646USD300456SKerosene heaterIMARFLEX MFG·Filed 1986·Granted Mar 28, 1989·4 cites·1 claims
- 3746US2004091614A1Method for reusing powder coatingNIPPON PAINT CO LTD·Filed 2002·Application pending·0 cites
- 3846US2011040357A1Coiled light diffuser for irradiation of biological tissue with light beam and light-diffusing device comprising the sameUNIV KEIO·Filed 2009·Application pending·0 cites
- 3945US5439443ABalloon catheterNIPPON ZEON CO·Filed 1992·Granted Aug 8, 1995·50 cites·1 claims
- 4045USD286069SStoveIMANISHI KINZOKU KOGYO KK IMARFLEX MFG CO LTD·Filed 1983·Granted Oct 7, 1986·3 cites·1 claims
- 4144US2005022109A1Document display apparatusFUJITSU LTD·Filed 2004·Application pending·0 cites
- 4243US2011097484A1Lens holding tool, lens holding method, and lens processing methodSAKAI KOICHI·Filed 2009·Application pending·0 cites
- 4343US2011205211A1Image display apparatusCANON KK·Filed 2011·Application pending·0 cites
- 4443US2006195005A1Balloon for intraaortic balloon pumping catheter, catheter fitted with the same, and process for producing the balloonSAKAI KOICHI·Filed 2004·Application pending·0 cites
- 4542US9172080B2Electrode production systemJTEKT CORP·Filed 2013·Granted Oct 27, 2015·0 cites·10 claims
- 4641USD282395SStoveIMANISHI KINZOKU KOGYO KK IMARFLEX MFG CO LTD·Filed 1983·Granted Jan 28, 1986·2 cites·1 claims
- 4740US2013312916A1Electrode production systemJTEKT CORP·Filed 2013·Application pending·0 cites
- 4838USD288232SStoveIMARFLEX MFG·Filed 1984·Granted Feb 10, 1987·1 cites·1 claims
- 4938US4517508AVariable impedance circuitTOKO INC·Filed 1983·Granted May 14, 1985·4 cites·2 claims
- 5037US4211157ACoffee makerPHILIPS CORP·Filed 1978·Granted Jul 8, 1980·8 cites·1 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →