Inventor · disambiguated record
Yoshinori Ohkura
Also filed as: OHKURA YOSHINORI
8 granted patents·1 pending application·205 citations·filing 1993–2005
89Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
9 records- 0196US6446761B1Elevator system having wireless transmitting/receiving unitsHITACHI LTD·Filed 2000·Granted Sep 10, 2002·53 cites·16 claims
- 0293US6728541B2Radio relay systemHITACHI LTD·Filed 2001·Granted Apr 27, 2004·76 cites·11 claims
- 0390US7134530B2Elevator system utilizing wireless transmission units to exchange control information between elevator car and elevator control unitHITACHI LTD·Filed 2005·Granted Nov 14, 2006·17 cites·14 claims
- 0477US6598710B2Elevator system with wireless elevator control transmit/receive unitHITACHI LTD·Filed 2002·Granted Jul 29, 2003·14 cites·6 claims
- 0561US6976561B2Elevator system having terminals with wireless transmitting/receiving unitHITACHI LTD·Filed 2003·Granted Dec 20, 2005·7 cites·6 claims
- 0650US5657327AData transmission method and system for hub-based networkHITACHI LTD·Filed 1993·Granted Aug 12, 1997·22 cites·3 claims
- 0740US2002073411A1Controller and application installing methodFiled 2001·Application pending·0 cites
- 0839US5517669ACyclic data communication systemHITACHI LTD·Filed 1994·Granted May 14, 1996·12 cites·19 claims
- 0930US5724350AData transmission method and system for hub-based networkHITACHI LTD·Filed 1995·Granted Mar 3, 1998·4 cites·5 claims
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