Inventor · disambiguated record
Masako Ishida
Also filed as: ISHIDA MASAKO
4 granted patents·98 citations·filing 1986–1991
79Inventor score
Technology areasH01J
Files withMITSUBISHI ELECTRIC CORP4
Top patents by PatentIndex Score
4 records- 0189US4797593ACathode for electron tubeMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jan 10, 1989·47 cites·30 claims
- 0283US4924137ACathode for electron tubeMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 8, 1990·30 cites·9 claims
- 0362US5122707ACathode in a cathode ray tubeMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jun 16, 1992·16 cites·7 claims
- 0444US4897574AHot cathode in wire formMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jan 30, 1990·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →