Inventor · disambiguated record
Masaya Umemura
Also filed as: UMEMURA MASAYA
19 granted patents·5 pending applications·1,084 citations·filing 1994–2010
96Inventor score
Top patents by PatentIndex Score
24 records- 0198US6034878ASource-clock-synchronized memory system and memory unitHITACHI LTD·Filed 1997·Granted Mar 7, 2000·537 cites·31 claims
- 0293US6125419ABus system, printed circuit board, signal transmission line, series circuit and memory moduleHITACHI LTD·Filed 1997·Granted Sep 26, 2000·228 cites·27 claims
- 0390US7257202B2Telephone communication systemHITACHI LTD·Filed 2003·Granted Aug 14, 2007·49 cites·31 claims
- 0484US8413214B2Terminal system for guaranteeing authenticity, terminal, and terminal management serverKATO TAKATOSHI·Filed 2010·Granted Apr 2, 2013·10 cites·7 claims
- 0575US6088829ASynchronous data transfer systemHITACHI LTD·Filed 1999·Granted Jul 11, 2000·60 cites·6 claims
- 0672US7283671B2Communications terminalHITACHI LTD·Filed 2003·Granted Oct 16, 2007·17 cites·20 claims
- 0765US6523133B2Information processing apparatus that can hold internal informationHITACHI LTD·Filed 2002·Granted Feb 18, 2003·11 cites·19 claims
- 0863US7356485B2Service providing systemHITACHI LTD·Filed 2001·Granted Apr 8, 2008·3 cites·16 claims
- 0961US5933623ASynchronous data transfer systemHITACHI LTD·Filed 1996·Granted Aug 3, 1999·34 cites·41 claims
- 1060US6584530B2Information processing system, bus arbiter, and bus controlling methodHITACHI LTD·Filed 2002·Granted Jun 24, 2003·6 cites·2 claims
- 1160US5462442AModule for information processing apparatus using stacked printed circuit boards and connector for stacking printed circuit boardsHITACHI LTD·Filed 1994·Granted Oct 31, 1995·23 cites·10 claims
- 1253US7584431B2Communication system and terminal units connected theretoHITACHI LTD·Filed 2003·Granted Sep 1, 2009·3 cites·9 claims
- 1352US7206561B2Radio equipmentHITACHI LTD·Filed 2001·Granted Apr 17, 2007·2 cites·21 claims
- 1452US6748463B1Information processor with snoop suppressing function, memory controller, and direct memory access processing methodHITACHI LTD·Filed 1996·Granted Jun 8, 2004·32 cites·9 claims
- 1552US6438708B1Information processing apparatus that can hold internal informationHITACHI LTD·Filed 1998·Granted Aug 20, 2002·24 cites·46 claims
- 1652US2009143102A1Communication deviceUMEMURA MASAYA·Filed 2008·Application pending·0 cites
- 1750US7904046B2Radio equipment having an attenuator between antenna and radio moduleHITACHI LTD·Filed 2007·Granted Mar 8, 2011·0 cites·3 claims
- 1849US6600790B1Gap-coupling bus systemHITACHI LTD·Filed 1997·Granted Jul 29, 2003·21 cites·15 claims
- 1948US6021455AMethod and system for arbitrating a bus according to the status of a buffer and destination informationHITACHI LTD·Filed 1996·Granted Feb 1, 2000·17 cites·6 claims
- 2047US2007136522A1Information processing apparatus, media player and method for controlling a storage deviceUMEMURA MASAYA·Filed 2006·Application pending·0 cites
- 2145US2005021810A1Remote display protocol, video display system, and terminal equipmentFiled 2003·Application pending·0 cites
- 2245US2005013592A1Device and method for reproducing sound and motion pictureFiled 2003·Application pending·0 cites
- 2339US2009222798A1Information Processing ApparatusIGUCHI SHINYA·Filed 2008·Application pending·0 cites
- 2437US6425037B1Information processing system, bus arbiter, and bus controlling methodHITACHI LTD·Filed 1999·Granted Jul 23, 2002·7 cites·4 claims
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