Inventor · disambiguated record
Ryoji Yamamoto
Also filed as: YAMAMOTO RYOJI
7 granted patents·80 citations·filing 1988–2021
82Inventor score
Top patents by PatentIndex Score
7 records- 0179US5585806AFlat antenna apparatus having a shielded circuit boardMITSUMI ELECTRIC CO LTD·Filed 1994·Granted Dec 17, 1996·55 cites·10 claims
- 0273US8452282B2Mobile communication method, mobile communication system, program, exchange, and specific radio base stationMASUDA MASAFUMI·Filed 2009·Granted May 28, 2013·6 cites·17 claims
- 0369US8509784B2Mobile communication method, radio control station, and radio base stationMASUDA MASAFUMI·Filed 2008·Granted Aug 13, 2013·4 cites·6 claims
- 0456US11483725B2Mobile terminal test device and mobile terminal test methodANRITSU CORP·Filed 2021·Granted Oct 25, 2022·0 cites·11 claims
- 0550US11627481B2Mobile terminal test device and mobile terminal test methodANRITSU CORP·Filed 2021·Granted Apr 11, 2023·0 cites·7 claims
- 0643US4832908ALow thermal expansion cast alloyNEC CORP·Filed 1988·Granted May 23, 1989·9 cites·1 claims
- 0739US5548247AAmplifier having a field-effect transistor with gate biased at a potential lower than source potentialMITSUMI ELECTRIC CO LTD·Filed 1994·Granted Aug 20, 1996·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →