Inventor · disambiguated record
Keiji Kato
Also filed as: KATO KEIJI
16 granted patents·5 pending applications·358 citations·filing 1988–2013
94Inventor score
Top patents by PatentIndex Score
21 records- 0198US7418214B2State detection mechanismSHARP KK·Filed 2006·Granted Aug 26, 2008·54 cites·5 claims
- 0296US4937625ADeveloping device for copierSHARP KK·Filed 1988·Granted Jun 26, 1990·78 cites·11 claims
- 0384US7902959B2Radio communication system of water heaterRINNAI KK·Filed 2007·Granted Mar 8, 2011·14 cites·3 claims
- 0483US5508834ALiquid crystal display device having polarizers and microlens arrays attached to transparent cover membersSONY CORP·Filed 1994·Granted Apr 16, 1996·62 cites·9 claims
- 0580US6360066B1Developing apparatus having stirring shafts with elliptic stirring vanesSHARP KK·Filed 2000·Granted Mar 19, 2002·19 cites·8 claims
- 0678US6396079B1Thin film semiconductor device having a buffer layerSONY CORP·Filed 1996·Granted May 28, 2002·45 cites·6 claims
- 0775US7020416B2Image forming apparatus with arrangement for controlling assembly orderSHARP KK·Filed 2003·Granted Mar 28, 2006·15 cites·11 claims
- 0872US5239805AMethod of packing a developer cartridgeSHARP KK·Filed 1992·Granted Aug 31, 1993·20 cites·2 claims
- 0969US7471186B2Radio remote control systemRINNAI KK·Filed 2005·Granted Dec 30, 2008·4 cites·1 claims
- 1067US8781758B2Optical inspection method and its apparatusSERIKAWA SHIGERU·Filed 2011·Granted Jul 15, 2014·3 cites·14 claims
- 1162US5235130ADeveloper cartridgeSHARP KK·Filed 1992·Granted Aug 10, 1993·14 cites·1 claims
- 1261US5175587ADeveloping apparatus having a detachable developer cartridgeSHARP KK·Filed 1991·Granted Dec 29, 1992·14 cites·18 claims
- 1360US6853821B2Image forming device and toner deviceSHARP KK·Filed 2003·Granted Feb 8, 2005·8 cites·4 claims
- 1459US7714713B2Relay apparatusRINNAI KK·Filed 2007·Granted May 11, 2010·0 cites·6 claims
- 1551US8065097B2Energy usage display unitKATO KEIJI·Filed 2007·Granted Nov 22, 2011·2 cites·8 claims
- 1646US2010022881A1Ultrasound Breast Diagnostic SystemFUJITA HIROSHI·Filed 2006·Application pending·0 cites
- 1746US2009264758A1Ultrasound Breast Diagnostic SystemFUJITA HIROSHI·Filed 2006·Application pending·0 cites
- 1842US5243389AToner hopper having stirring and feeding rollersSHARP KK·Filed 1992·Granted Sep 7, 1993·6 cites·10 claims
- 1941US2013286386A1Optical surface defect inspection apparatus and optical surface defect inspection methodHITACHI HIGH TECH CORP·Filed 2013·Application pending·0 cites
- 2039US2005255831A1Radio communication systemRINNAI KK·Filed 2005·Application pending·0 cites
- 2135US2010246356A1Disk surface defect inspection method and apparatusHITACHI HIGH TECH CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →