Inventor · disambiguated record
Nobuo Ohkawai
Also filed as: OHKAWAI NOBUO
10 granted patents·131 citations·filing 1989–2000
90Inventor score
Technology areasH01J
Files withKOITO MFG CO LTD10
Top patents by PatentIndex Score
10 records- 0178US6411037B1Arc tube for discharge lamp device and method of manufacturing the sameKOITO MFG CO LTD·Filed 2000·Granted Jun 25, 2002·14 cites·12 claims
- 0276US5936349AArc tube having a pair of molybdenum foils, and method for its fabricationKOITO MFG CO LTD·Filed 1997·Granted Aug 10, 1999·31 cites·6 claims
- 0374US6452334B1Arc tube with residual-compressive-stress layer for discharge lamp unit and method of manufacturing sameKOITO MFG CO LTD·Filed 2000·Granted Sep 17, 2002·11 cites·15 claims
- 0472US6547619B1ARC tube for discharge lamp unit and method of manufacturing sameKOITO MFG CO LTD·Filed 2000·Granted Apr 15, 2003·10 cites·14 claims
- 0570US6354900B1Arc tube and fabricating method thereofKOITO MFG CO LTD·Filed 1999·Granted Mar 12, 2002·23 cites·7 claims
- 0665US5877590ADischarge lamp arc tube and method of producing the sameKOITO MFG CO LTD·Filed 1996·Granted Mar 2, 1999·15 cites·1 claims
- 0761US5177397ADischarge lamp assembly with insulating tubular member and metal band around pinch sealKOITO MFG CO LTD·Filed 1989·Granted Jan 5, 1993·11 cites·6 claims
- 0858US5962976AMolybdenum foils with yttrium oxide and recrystallization grains no more than 50 microns within the pinch seals of a metallic halide lampKOITO MFG CO LTD·Filed 1998·Granted Oct 5, 1999·13 cites·3 claims
- 0938US5993279ADischarge lamp arc tube and method of producing the sameKOITO MFG CO LTD·Filed 1998·Granted Nov 30, 1999·3 cites·8 claims
- 1036US6672923B1Method of manufacturing arc tubeKOITO MFG CO LTD·Filed 2000·Granted Jan 6, 2004·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →