Inventor · disambiguated record
Norio Iwamura
Also filed as: IWAMURA NORIO
6 granted patents·1 pending application·33 citations·filing 1998–2003
80Inventor score
Technology areasH01J
Files withHITACHI LTD6
Top patents by PatentIndex Score
7 records- 0172US6504293B1Cathode ray tube having an improved cathodeHITACHI LTD·Filed 2000·Granted Jan 7, 2003·11 cites·5 claims
- 0261US6552479B2Cathode ray tube having an improved heaterHITACHI LTD·Filed 2001·Granted Apr 22, 2003·5 cites·4 claims
- 0353US6335590B2Cathode ray tube having an indirectly heated cathode provided with a heater having a structure which substantially prevents cracks in an insulating coating thereofHITACHI LTD·Filed 2001·Granted Jan 1, 2002·2 cites·7 claims
- 0450US6614147B2Cathode ray tube having an improved indirectly heated cathode structureHITACHI LTD·Filed 2001·Granted Sep 2, 2003·2 cites·13 claims
- 0549US6191528B1Cathode ray tube having an improved indirectly heated cathodeHITACHI LTD·Filed 1998·Granted Feb 20, 2001·8 cites·7 claims
- 0638US6492768B1Cathode ray tube having an improved indirectly heated cathodeHITACHI LTD·Filed 1999·Granted Dec 10, 2002·5 cites·7 claims
- 0736US2004007954A1Cathode ray tubeFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →