Inventor · disambiguated record
Michio Takagaki
Also filed as: TAKAGAKI MICHIO
18 granted patents·2 pending applications·89 citations·filing 2001–2012
91Inventor score
Technology areasH01J
Files withKOITO MFG CO LTD14TAKAGAKI MICHIO2FUKUYO TAKESHI1KOITO MANUFACUTURING CO LTD1TAKATSUKA HIROYUKI1
Top patents by PatentIndex Score
20 records- 0188US6750612B2Mercury-free arc tube for discharge lamp unitKOITO MFG CO LTD·Filed 2002·Granted Jun 15, 2004·30 cites·9 claims
- 0287US6815894B2Mercury-free arc tube for discharge lamp unitKOITO MFG CO LTD·Filed 2002·Granted Nov 9, 2004·26 cites·11 claims
- 0377US7671536B2Arc tube for discharge lamp deviceKOITO MANUFACUTURING CO LTD·Filed 2006·Granted Mar 2, 2010·6 cites·12 claims
- 0474US7098596B2Mercury-free arc tube for discharge lamp unitKOITO MFG CO LTD·Filed 2003·Granted Aug 29, 2006·11 cites·3 claims
- 0570US7443100B2ARC tube discharge lamp with compression strain layerKOITO MFG CO LTD·Filed 2005·Granted Oct 28, 2008·2 cites·8 claims
- 0670US7314298B2Automotive headlight discharge bulbKOITO MFG CO LTD·Filed 2005·Granted Jan 1, 2008·2 cites·7 claims
- 0764US7583028B2Mercury free arc tube for a discharge lampKOITO MFG CO LTD·Filed 2004·Granted Sep 1, 2009·5 cites·9 claims
- 0860US7038385B2Mercury-free arc tube for discharge lamp unitKOITO MFG CO LTD·Filed 2002·Granted May 2, 2006·4 cites·6 claims
- 0955US7279841B2Arc tube for a discharge lampKOITO MFG CO LTD·Filed 2004·Granted Oct 9, 2007·2 cites·12 claims
- 1054US7746000B2Discharge bulbKOITO MFG CO LTD·Filed 2008·Granted Jun 29, 2010·0 cites·14 claims
- 1151US8148902B2Mercury-free arc tube for discharge lamp device and method for manufacturing the sameTAKAGAKI MICHIO·Filed 2009·Granted Apr 3, 2012·0 cites·3 claims
- 1250US7489083B2Mercury-free arc tube for discharge bulbKOITO MFG CO LTD·Filed 2006·Granted Feb 10, 2009·0 cites·4 claims
- 1347US7438620B2Arc tube of discharge lamp having electrode assemblies receiving vacuum heat treatment and method of manufacturing of arc tubeKOITO MFG CO LTD·Filed 2005·Granted Oct 21, 2008·0 cites·9 claims
- 1444US7170230B2Mercury-free arc tube for a discharge lampKOITO MFG CO LTD·Filed 2004·Granted Jan 30, 2007·0 cites·12 claims
- 1544US6653785B2Arc tube with pinch seal and dimensional relationship and method for forming the sameKOITO MFG CO LTD·Filed 2001·Granted Nov 25, 2003·1 cites·11 claims
- 1643US8471473B2Arc tube for discharge lamp deviceFUKUYO TAKESHI·Filed 2006·Granted Jun 25, 2013·0 cites·9 claims
- 1741US8174195B2Mercury-free arc tube for discharge lamp unitTAKAGAKI MICHIO·Filed 2010·Granted May 8, 2012·0 cites·6 claims
- 1838US2010295448A1Vehicle discharge lampKOITO MFG CO LTD·Filed 2010·Application pending·0 cites
- 1936US8471474B2Vehicle discharge bulbTAKATSUKA HIROYUKI·Filed 2012·Granted Jun 25, 2013·0 cites·5 claims
- 2036US2002003391A1Discharge lamp device and an insulating plug thereforFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →