Inventor · disambiguated record
Akio Tokuyama
Also filed as: TOKUYAMA AKIO
8 granted patents·83 citations·filing 1983–1993
86Inventor score
Files withNIPPON PAINT CO LTD8
Top patents by PatentIndex Score
8 records- 0164US5380784AWater-based resin dispersion and resin composition for coatingNIPPON PAINT CO LTD·Filed 1992·Granted Jan 10, 1995·25 cites·8 claims
- 0257US5221370AMethod for forming zinc phosphate film on metal surfaceNIPPON PAINT CO LTD·Filed 1990·Granted Jun 22, 1993·20 cites·5 claims
- 0347US5232523APhosphate coatings for metal surfacesNIPPON PAINT CO LTD·Filed 1992·Granted Aug 3, 1993·13 cites·6 claims
- 0446US5211769AMethod for phosphating metal surface with zinc phosphateNIPPON PAINT CO LTD·Filed 1990·Granted May 18, 1993·11 cites·1 claims
- 0537US5399208AMethod for phosphating metal surface with zinc phosphateNIPPON PAINT CO LTD·Filed 1993·Granted Mar 21, 1995·6 cites·3 claims
- 0631US5039363AProcess for phosphating metal surfacesNIPPON PAINT CO LTD·Filed 1990·Granted Aug 13, 1991·5 cites·9 claims
- 0730US4501649AMethod of controlling electrocoating bath and apparatus thereforNIPPON PAINT CO LTD·Filed 1983·Granted Feb 26, 1985·2 cites·9 claims
- 0826US5039563ASurface treating agent before coatingNIPPON PAINT CO LTD·Filed 1989·Granted Aug 13, 1991·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →