Inventor · disambiguated record
Keiichi Obara
Also filed as: OBARA KEIICHI
7 granted patents·318 citations·filing 1986–1996
87Inventor score
Files withTOSHIBA KK7
Top patents by PatentIndex Score
7 records- 0189US5204857AATM exchange systemTOSHIBA KK·Filed 1991·Granted Apr 20, 1993·208 cites·8 claims
- 0265US5566179ABroadband switching networksTOSHIBA KK·Filed 1994·Granted Oct 15, 1996·46 cites·16 claims
- 0364US4771335AMethod and apparatus for sending dataTOSHIBA KK·Filed 1986·Granted Sep 13, 1988·21 cites·7 claims
- 0451US4924458AMultiplex communication systemTOSHIBA KK·Filed 1988·Granted May 8, 1990·15 cites·23 claims
- 0540US6038237AVoice signal transmitting method and exchange system using thisTOSHIBA KK·Filed 1996·Granted Mar 14, 2000·16 cites·6 claims
- 0634US6226268B1Communication systemTOSHIBA KK·Filed 1996·Granted May 1, 2001·4 cites·9 claims
- 0725US6034944ACommunication systemTOSHIBA KK·Filed 1996·Granted Mar 7, 2000·8 cites·13 claims
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