Inventor · disambiguated record
Hisayoshi Kato
Also filed as: KATO HISAYOSHI
19 granted patents·229 citations·filing 1974–2020
94Inventor score
Files withFREUNT IND CO LTD3HITACHI KOKI KK3PILOT INK CO LTD3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2PANASONIC IP MAN CO LTD2
Top patents by PatentIndex Score
19 records- 0180US6264989B1Spherical single-substance particles, medicines and foodstuffs containing the particles, and method of production thereofFREUNT IND CO LTD·Filed 1998·Granted Jul 24, 2001·59 cites·20 claims
- 0276US6021989ASwivel assembly of a vehicle seatTOYOTA AUTO BODY CO LTD·Filed 1997·Granted Feb 8, 2000·65 cites·16 claims
- 0374US6964807B2Water-metachromatic laminate, and process for its productionPILOT INK CO LTD·Filed 2001·Granted Nov 15, 2005·8 cites·11 claims
- 0472US7322335B2Oil pan structureTOYOTA MOTOR CO LTD·Filed 2005·Granted Jan 29, 2008·6 cites·8 claims
- 0568US6984418B2Water-metachromatic laminate, and process for its productionPILOT INK CO LTD·Filed 2004·Granted Jan 10, 2006·4 cites·2 claims
- 0666US5792507ALactose spherical particles and process for their productionFREUNT IND CO LTD·Filed 1997·Granted Aug 11, 1998·20 cites·15 claims
- 0758US12243678B2Leakage transformerPANASONIC IP MAN CO LTD·Filed 2020·Granted Mar 4, 2025·0 cites·5 claims
- 0855US7267317B2Slide deviceTOYOTA AUTO BODY CO LTD·Filed 2002·Granted Sep 11, 2007·16 cites·10 claims
- 0955US7056570B2Water-metachromatic laminate, and process for its productionPILOT INK CO LTD·Filed 2004·Granted Jun 6, 2006·4 cites·10 claims
- 1050US6487384B2Image forming electrophotography apparatus and magnetic developing unitHITACHI KOKI KK·Filed 2001·Granted Nov 26, 2002·4 cites·15 claims
- 1146US6171619B1Spherical granule, process for producing the same, and spherical granule preparations using the sameFREUNT IND CO LTD·Filed 1997·Granted Jan 9, 2001·10 cites·3 claims
- 1245US6768383B2High-frequency amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 27, 2004·3 cites·97 claims
- 1344US5237860AMethod for measuring surface roughness of honeycomb structures and surface roughness-measuring elements used thereforNGK INSULATORS LTD·Filed 1991·Granted Aug 24, 1993·10 cites·2 claims
- 1442US4004369AWater cultivation methodNIHON JESCOAL IND CO LTD·Filed 1974·Granted Jan 25, 1977·12 cites·5 claims
- 1541US11581129B2Reactor and power supply circuitPANASONIC IP MAN CO LTD·Filed 2018·Granted Feb 14, 2023·0 cites·11 claims
- 1640US6240270B1Color image forming method and device using potential division developmentHITACHI KOKI KK·Filed 2000·Granted May 29, 2001·1 cites·9 claims
- 1736US5507321AHeald frame for weaving a slide fastener stringerYKK CORP·Filed 1994·Granted Apr 16, 1996·4 cites·7 claims
- 1835US6047147AElectrostatic image forming apparatusHITACHI KOKI KK·Filed 1999·Granted Apr 4, 2000·3 cites·3 claims
- 1933US6914481B2High frequency power amplifier apparatus and power amplifier module use the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 5, 2005·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →