Inventor · disambiguated record
Koichiro Sumi
Also filed as: SUMI KOICHIRO
4 granted patents·62 citations·filing 1976–1999
77Inventor score
Technology areasH01J
Files withSONY CORP4
Top patents by PatentIndex Score
4 records- 0184US4482447ANonaqueous suspension for electrophoretic deposition of powdersSONY CORP·Filed 1983·Granted Nov 13, 1984·29 cites·8 claims
- 0278US4053807AThermionic cathode and heater structure on ceramic base plateSONY CORP·Filed 1976·Granted Oct 11, 1977·18 cites·10 claims
- 0362US4069436AFlat thermionic cathodeSONY CORP·Filed 1976·Granted Jan 17, 1978·9 cites·12 claims
- 0442US6242852B1Electron gunSONY CORP·Filed 1999·Granted Jun 5, 2001·6 cites·5 claims
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