Inventor · disambiguated record
Seiichi Maruyama
Also filed as: MARUYAMA SEIICHI
3 granted patents·40 citations·filing 1980–1985
71Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0169US4587592AZinc oxide lightning protectorHITACHI LTD·Filed 1984·Granted May 6, 1986·15 cites·5 claims
- 0252US4675773ATransmission line protection systemHITACHI LTD·Filed 1985·Granted Jun 23, 1987·16 cites·9 claims
- 0349US4321651AEnclosed-type zinc-oxide surge arresterHITACHI LTD·Filed 1980·Granted Mar 23, 1982·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →