Inventor · disambiguated record
Sadahiro Ohyama
Also filed as: OHYAMA SADAHIRO
6 granted patents·293 citations·filing 1981–1988
87Inventor score
Top patents by PatentIndex Score
6 records- 0192US4737008AOptical transmitting and/or receiving moduleMITSUMI ELECTRIC CO LTD·Filed 1985·Granted Apr 12, 1988·105 cites·7 claims
- 0286US4756593AConnector comprising a plug having a built-in optoelectronic conversion means and a socketHITACHI LTD·Filed 1986·Granted Jul 12, 1988·71 cites·5 claims
- 0384US4404617AHigh-frequency circuit device having a circuit board fixed to a shield casing by projections of the shield casing and solderingOHYAMA SADAHIRO·Filed 1981·Granted Sep 13, 1983·54 cites·10 claims
- 0468US4437140APrinted circuit deviceMITSUMI ELECTRIC CO LTD·Filed 1982·Granted Mar 13, 1984·29 cites·9 claims
- 0560US5119272ACircuit board and method of producing circuit boardMITSUMI ELECTRIC CO LTD·Filed 1988·Granted Jun 2, 1992·20 cites·4 claims
- 0660US4851935ADrum assembly for a magnetic recording and reproducing apparatusMITSUMI ELECTRIC CO LTD·Filed 1987·Granted Jul 25, 1989·14 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →