Inventor · disambiguated record
Ryoji Matsubara
Also filed as: MATSUBARA RYOJI
5 granted patents·2 pending applications·112 citations·filing 1994–2018
71Inventor score
Top patents by PatentIndex Score
7 records- 0187US5583492AMethod and apparatus for monitoring inside a manholeHITACHI CABLE·Filed 1994·Granted Dec 10, 1996·112 cites·16 claims
- 0240US10530032B290-degree hybrid circuitHITACHI METALS LTD·Filed 2018·Granted Jan 7, 2020·0 cites·12 claims
- 0339US8143970B2Phase shifter having a varying signal path length based on the rotation of the phase shifterMOON YOUNG-CHAN·Filed 2007·Granted Mar 27, 2012·0 cites·16 claims
- 0438US2009195329A1Variable phase shifterKMW INC·Filed 2007·Application pending·0 cites
- 0534US9525213B2Antenna deviceHITACHI METALS LTD·Filed 2015·Granted Dec 20, 2016·0 cites·8 claims
- 0632US10403948B2Adjustable phase shifter including a signal conductor, a movable dielectric plate and a transformer unit, where the transformer unit defines overlapped and non-overlapped portions with respect to the signal conductorHITACHI METALS LTD·Filed 2017·Granted Sep 3, 2019·0 cites·4 claims
- 0726US2011134002A1Capacity loaded planar antenna with short stubsSUTO MASAKI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →