Inventor · disambiguated record
Tohru Naganuma
Also filed as: NAGANUMA TOHRU
8 granted patents·152 citations·filing 1988–1999
87Inventor score
Files withSONY CORP8
Top patents by PatentIndex Score
8 records- 0184US5777636ALiquid jet recording apparatus capable of recording better half tone image densitySONY CORP·Filed 1996·Granted Jul 7, 1998·50 cites·4 claims
- 0268US6257700B1Printing apparatus and method for controlling the spread of fluid around a nozzle orificeSONY CORP·Filed 1997·Granted Jul 10, 2001·22 cites·27 claims
- 0368US5416505AImage drawing apparatusSONY CORP·Filed 1992·Granted May 16, 1995·44 cites·12 claims
- 0464US6276057B1Method for controlling the spread of fluid around a nozzle orificeSONY CORP·Filed 1999·Granted Aug 21, 2001·18 cites·5 claims
- 0555US4908711AElectronic writing boardSONY CORP·Filed 1988·Granted Mar 13, 1990·9 cites·17 claims
- 0640US6158842APrinter apparatusSONY CORP·Filed 1996·Granted Dec 12, 2000·6 cites·6 claims
- 0733US4953031AElectronic blackboard having image display and print functionsSONY CORP·Filed 1989·Granted Aug 28, 1990·3 cites·7 claims
- 0823US6079822ADriving method of printing apparatusSONY CORP·Filed 1997·Granted Jun 27, 2000·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →