Inventor · disambiguated record
Keiichiro Watanabe
Also filed as: WATANABE KEIICHIRO · YANAGIHARA TSUTOMU
47 granted patents·9 pending applications·456 citations·filing 1977–2020
98Inventor score
Top patents by PatentIndex Score
56 records- 0189US4772580ACatalyst carrier of cordierite honeycomb structure and method of producing the sameNGK INSULATORS LTD·Filed 1986·Granted Sep 20, 1988·48 cites·19 claims
- 0284US8278233B2Translucent polycrystalline sintered body, method for producing the same, and arc tube for high-intensity discharge lampMIYAZAWA SUGIO·Filed 2010·Granted Oct 2, 2012·6 cites·20 claims
- 0380US5030398AMethod of producing a cordierite honeycomb structural bodyNGK INSULATORS LTD·Filed 1989·Granted Jul 9, 1991·30 cites·12 claims
- 0477US11369978B2Injection head for liquid fire extinguishing agentKOATSU CO LTD·Filed 2019·Granted Jun 28, 2022·2 cites·9 claims
- 0576US4722916ALow expansion ceramics and method of producing the sameNGK INSULATORS LTD·Filed 1986·Granted Feb 2, 1988·25 cites·10 claims
- 0675US7843137B2Luminous vesselsNGK INSULATORS LTD·Filed 2006·Granted Nov 30, 2010·3 cites·19 claims
- 0772US5743713ABlade, turbine disc and hybrid type gas turbine bladeNGK INSULATORS LTD·Filed 1996·Granted Apr 28, 1998·49 cites·4 claims
- 0870US7619351B2Structures for supporting discharge lamps and illuminating systemNGK INSULATORS LTD·Filed 2006·Granted Nov 17, 2009·2 cites·11 claims
- 0969US10236436B2Element manufacturing methodKYOCERA CORP·Filed 2017·Granted Mar 19, 2019·1 cites·16 claims
- 1068US8033819B2Mold and molding methodNGK INSULATORS LTD·Filed 2008·Granted Oct 11, 2011·1 cites·15 claims
- 1168US4925816ANovel solid solution, heat-resistant sintered body and method of producing the sameNGK INSULATORS LTD·Filed 1988·Granted May 15, 1990·18 cites·8 claims
- 1268US4182745ACatalyst for reducing nitrogen oxides in a waste gas and a process for catalytically reducing nitrogen oxides contained in a waste gasJGC CORP·Filed 1977·Granted Jan 8, 1980·22 cites·16 claims
- 1366US9945699B2Sensor node packageNGK INSULATORS LTD·Filed 2017·Granted Apr 17, 2018·1 cites·15 claims
- 1466US6406799B1Method of producing anti-corrosion member and anti-corrosion memberNGK INSULATORS LTD·Filed 2000·Granted Jun 18, 2002·6 cites·10 claims
- 1565US5089468AProcess for producing bismuth-based superconducting oxideNGK INSULATORS LTD·Filed 1990·Granted Feb 18, 1992·18 cites·6 claims
- 1661US8092875B2Composite luminous vesselsWATANABE KEIICHIRO·Filed 2008·Granted Jan 10, 2012·1 cites·15 claims
- 1760US5202305ASuperconducting structure for magnetic shieldingNGK INSULATORS LTD·Filed 1991·Granted Apr 13, 1993·15 cites·15 claims
- 1857US6447842B1Process for producing a corrosion-resistant memberNGK INSULATORS LTD·Filed 2000·Granted Sep 10, 2002·3 cites·4 claims
- 1957US5529651AProcess for production of joined ceramic bodyNGK INSULATORS LTD·Filed 1994·Granted Jun 25, 1996·13 cites·10 claims
- 2057US5145011ASealing members for use in gas preheaterNGK INSULATORS LTD·Filed 1990·Granted Sep 8, 1992·16 cites·3 claims
- 2157US4546081AContinuous alcohol fermentation process using immobilized yeastJGC CORP·Filed 1983·Granted Oct 8, 1985·17 cites·7 claims
- 2256US5316072ASealing members for use in gas preheaterNGK INSULATORS LTD·Filed 1992·Granted May 31, 1994·11 cites·3 claims
- 2355US5691261ASilicon nitride ceramicNGK INSULATORS LTD·Filed 1996·Granted Nov 25, 1997·11 cites·7 claims
- 2454US6006824ACeramic shell-and-tube type heat exchanger, and method for manufacturing itNGK INSULATORS LTD·Filed 1999·Granted Dec 28, 1999·13 cites·4 claims
- 2553US6063514AGas-tight article and a producing process thereofNGK INSULATORS LTD·Filed 1998·Granted May 16, 2000·15 cites·5 claims
- 2650US6416889B2Anti-corrosion ceramic memberNGK INSULATORS LTD·Filed 1999·Granted Jul 9, 2002·10 cites·26 claims
- 2750US5118644AThermal shock-resistant silicon nitride sintered materialNGK INSULATORS LTD·Filed 1991·Granted Jun 2, 1992·9 cites·2 claims
- 2850US4883781AHeat resisting low expansion zirconyl phosphate-zircon compositeNGK INSULATORS LTD·Filed 1987·Granted Nov 28, 1989·10 cites·19 claims
- 2949US5229046AProcess for producing thermal shock-resistant silicon nitride sintered materialNGK INSULATORS LTD·Filed 1991·Granted Jul 20, 1993·9 cites·5 claims
- 3047US2022406641A1Method for manufacturing semiconductor element, and semiconductor element bodyKYOCERA CORP·Filed 2020·Application pending·0 cites
- 3146US7521870B2Luminous containers and those for high pressure discharge lampsNGK INSULATORS LTD·Filed 2005·Granted Apr 21, 2009·0 cites·32 claims
- 3245US7288303B2Structures of brittle materials and metalsNGK INSULATORS LTD·Filed 2005·Granted Oct 30, 2007·0 cites·35 claims
- 3344US2007243415A1Sintered body, arc tube, and manufacturing method of sintered bodyNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 3443US8420932B2Ceramic tube for high-intensity discharge lamp and method of producing the sameMIYAZAWA SUGIO·Filed 2010·Granted Apr 16, 2013·0 cites·14 claims
- 3543US2010007684A1Ink container and ink discharge deviceSHARP KK·Filed 2008·Application pending·0 cites
- 3643US2012267412A1Method of producing ceramic substratesMIYAZAWA SUGIO·Filed 2012·Application pending·0 cites
- 3742US5585084ASilicon nitride powderUBE INDUSTRIES·Filed 1995·Granted Dec 17, 1996·8 cites·7 claims
- 3842US4923308AProcess for determining the distribution of temperatures at surfaces of high temperature membersNGK INSULATORS LTD·Filed 1989·Granted May 8, 1990·8 cites·3 claims
- 3941US4888312AZirconyl phosphate sintered bodies and production thereofNGK INSULATORS LTD·Filed 1988·Granted Dec 19, 1989·6 cites·9 claims
- 4040US8585960B2Method for producing sintered body, and sintered bodyOHASHI TSUNEAKI·Filed 2008·Granted Nov 19, 2013·0 cites·19 claims
- 4140US6117573ACorrosion-resistant member and a producing process thereofNGK INSULATORS LTD·Filed 1998·Granted Sep 12, 2000·6 cites·3 claims
- 4240US4935179AMethod for extruding ceramic bodiesNGK INSULATORS LTD·Filed 1988·Granted Jun 19, 1990·9 cites·2 claims
- 4340US2006222878A1Composite bodiesNGK INSULATORS LTD·Filed 2006·Application pending·0 cites
- 4439US5611877AJigs for manufacture of joined ceramic structure, and method for manufacturing joined ceramic structure by use of jigsNGK INSULATORS LTD·Filed 1995·Granted Mar 18, 1997·7 cites·7 claims
- 4539US5415828AJig and method for isostatically pressing ceramic powderNGK INSULATORS LTD·Filed 1993·Granted May 16, 1995·5 cites·11 claims
- 4639US2012133279A1Arc tube and method of manufacturing sameMIYAZAWA SUGIO·Filed 2011·Application pending·0 cites
- 4739US2018135192A1Electrolysis deviceSHARP LIFE SCIENCE CORP·Filed 2015·Application pending·0 cites
- 4839US2002179192A1Method of producing anti-corrosion member and anti-corrosion memberNGK INSULATORS LTD·Filed 2002·Application pending·0 cites
- 4938US4968648AHeat-resisting phosphate based compound sintered bodies and production thereofNGK INSULATORS LTD·Filed 1989·Granted Nov 6, 1990·5 cites·14 claims
- 5038US2017363487A1Structure for strain detectionNGK INSULATORS LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →