Assignee
YAMAMOTO KEIJI
JP·9 granted patents·106 citations·filing 1986–2012
Top patents by PatentIndex Score
9 records- 0191US4733588AGuide regulator plate for vegetable preparing devicesYAMAMOTO KEIJI·Filed 1986·Granted Mar 29, 1988·53 cites·1 claims
- 0289US8240745B2Construction machineYAMAMOTO KEIJI·Filed 2010·Granted Aug 14, 2012·16 cites·5 claims
- 0388US8517457B2Construction machine provided with cabYAMAMOTO KEIJI·Filed 2012·Granted Aug 27, 2013·14 cites·6 claims
- 0475US8218504B2Mobile communication system, its control device, handover control method, and mobile terminalYAMAMOTO KEIJI·Filed 2009·Granted Jul 10, 2012·7 cites·22 claims
- 0569US8235457B2Cabin and traveling construction machine with the sameYAMAMOTO KEIJI·Filed 2009·Granted Aug 7, 2012·6 cites·6 claims
- 0666US8068480B2Handover processing system in mobile communication systemYAMAMOTO KEIJI·Filed 2008·Granted Nov 29, 2011·3 cites·12 claims
- 0765US8144659B2Handover processing system in mobile communication systemYAMAMOTO KEIJI·Filed 2006·Granted Mar 27, 2012·3 cites·8 claims
- 0861US8126463B2Mobile communication system, base station control apparatus, mobile terminal and method for controlling handoverYAMAMOTO KEIJI·Filed 2008·Granted Feb 28, 2012·2 cites·16 claims
- 0959US8287033B2Construction machineYAMAMOTO KEIJI·Filed 2010·Granted Oct 16, 2012·2 cites·7 claims
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