Inventor · disambiguated record
Katsumi Hirota
Also filed as: HIROTA KATSUMI
15 granted patents·181 citations·filing 1995–2018
93Inventor score
Top patents by PatentIndex Score
15 records- 0191US6889043B2Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control systemSONY CORP·Filed 2001·Granted May 3, 2005·55 cites·19 claims
- 0290US7130631B2Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control systemSONY CORP·Filed 2005·Granted Oct 31, 2006·16 cites·1 claims
- 0385US6987970B2Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control systemSONY CORP·Filed 2005·Granted Jan 17, 2006·8 cites·1 claims
- 0480US7050573B2Method of generating ring tones using melody and communication terminal apparatusSONY CORP·Filed 2001·Granted May 23, 2006·27 cites·5 claims
- 0574US7162240B2Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control systemSONY CORP·Filed 2005·Granted Jan 9, 2007·3 cites·6 claims
- 0674US7139572B2Method of controlling a communication terminal having a plurality of functions, communication terminal apparatus, communication control systemSONY CORP·Filed 2005·Granted Nov 21, 2006·3 cites·1 claims
- 0770US6750602B2Projection type cathode ray tube device employing a cathode ray tube having a neck composed of different-diameter portionsHITACHI LTD·Filed 2002·Granted Jun 15, 2004·11 cites·10 claims
- 0859US6737818B2Deflection yoke and cathode ray tube deviceHITACHI LTD·Filed 2002·Granted May 18, 2004·3 cites·40 claims
- 0959US5594459ARetractable/extensible antenna with inner and outer sections having a feed point coil and end mounted coilSONY CORP·Filed 1995·Granted Jan 14, 1997·27 cites·5 claims
- 1053US11240442B2Signal processing apparatus and signal processing methodSONY CORP·Filed 2018·Granted Feb 1, 2022·0 cites·9 claims
- 1151US7015634B2Projection type cathode ray tube deviceHITACHI DISPLAYS LTD·Filed 2003·Granted Mar 21, 2006·2 cites·6 claims
- 1245US7091677B2Deflection yoke and cathode ray tube deviceHITACHI LTD·Filed 2004·Granted Aug 15, 2006·0 cites·20 claims
- 1345US5952974AAntenna assembly and portable radio apparatusSONY CORP·Filed 1997·Granted Sep 14, 1999·14 cites·12 claims
- 1444US5894190AColor cathode ray tube having a large-diameter lensHITACHI LTD·Filed 1997·Granted Apr 13, 1999·6 cites·12 claims
- 1532US6031358AShort protection circuit for rechargable batterySONY CORP·Filed 1998·Granted Feb 29, 2000·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →