Assignee
YAMADA KEIICHI
JP·7 granted patents·2 pending applications·42 citations·filing 1978–2011
Top patents by PatentIndex Score
9 records- 0175US4231271AAttachment for bolt tightening and removing deviceYAMADA KEIICHI·Filed 1978·Granted Nov 4, 1980·24 cites·8 claims
- 0269US8669621B2Semiconductor device and method of manufacturing semiconductor deviceYAMADA KEIICHI·Filed 2010·Granted Mar 11, 2014·3 cites·23 claims
- 0367US8600752B2Search apparatus, search method, and programYAMADA KEIICHI·Filed 2011·Granted Dec 3, 2013·2 cites·12 claims
- 0460US8165873B2Speech analysis apparatus, speech analysis method and computer programYAMADA KEIICHI·Filed 2008·Granted Apr 24, 2012·3 cites·11 claims
- 0551US8391706B2Optical signal division transmission system, optical transmitter, optical receiver, and optical signal division transmission methodYAMADA KEIICHI·Filed 2009·Granted Mar 5, 2013·0 cites·7 claims
- 0643US2008273879A1Optical Transmission System and Method for Compensating Wavelength Dispersion of Main Signal By Multiplexing Dispersion-Free Control SignalYAMADA KEIICHI·Filed 2008·Application pending·0 cites
- 0742US4304157ATorque wrenchYAMADA KEIICHI·Filed 1980·Granted Dec 8, 1981·10 cites·2 claims
- 0841US2012035927A1Information Processing Apparatus, Information Processing Method, and ProgramYAMADA KEIICHI·Filed 2011·Application pending·0 cites
- 0930US8790306B2Injection equipment and medical liquid injecting system having sameYAMADA KEIICHI·Filed 2010·Granted Jul 29, 2014·0 cites·8 claims
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