Inventor · disambiguated record
Koukichi Ouhata
Also filed as: OUHATA KOUKICHI
3 granted patents·111 citations·filing 1982–1990
74Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0188US5064520AMethod and apparatus for forming a filmHITACHI LTD·Filed 1990·Granted Nov 12, 1991·78 cites·42 claims
- 0272US5246741AMethod for surface modification and apparatus thereforHITACHI LTD·Filed 1990·Granted Sep 21, 1993·26 cites·8 claims
- 0351US4503357ACathode-ray tubeHITACHI LTD·Filed 1982·Granted Mar 5, 1985·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →