Inventor · disambiguated record
Mika Yamagishi
Also filed as: YAMAGISHI MIKA
6 granted patents·4 citations·filing 1999–2004
69Inventor score
Technology areasH01J
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD6
Top patents by PatentIndex Score
6 records- 0149US7382086B2Indirectly heated cathode and cathode ray tube having sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 3, 2008·2 cites·6 claims
- 0246US6828717B2Electron gun having short length and cathode-ray tube apparatus using such electron gunMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 7, 2004·1 cites·21 claims
- 0338US7414356B2Cathode structure including barrier for preventing metal bridging from heater to emitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 19, 2008·0 cites·24 claims
- 0437US6992427B2High-yield cathode body, cathode sleeve structure, and cathode-ray tube, cathode sleeve substrate, and cathode body production methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 31, 2006·0 cites·11 claims
- 0533US6882093B2Long-life electron tube device, electron tube cathode, and manufacturing method for the electron tube deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 19, 2005·0 cites·12 claims
- 0626US6492765B1Cathode structure for cathode ray tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 10, 2002·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →