Inventor · disambiguated record
Yoshiharu Nagayama
Also filed as: NAGAYAMA YOSHIHARU
5 granted patents·52 citations·filing 1988–1993
79Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0159US4967387ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1988·Granted Oct 30, 1990·30 cites·5 claims
- 0252US4989185ASemiconductor device with change-over circuit to access a memory area based upon internal or external signalHITACHI LTD·Filed 1988·Granted Jan 29, 1991·10 cites·7 claims
- 0342US5105389ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1990·Granted Apr 14, 1992·7 cites·20 claims
- 0435US5335204ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1993·Granted Aug 2, 1994·4 cites·20 claims
- 0529US5257234ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1992·Granted Oct 26, 1993·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →