Inventor · disambiguated record
Hatsuo Hirono
Also filed as: DOGUCHI NOBUSHIGE · HIRONO HATSUO
9 granted patents·134 citations·filing 1978–1993
88Inventor score
Files withYOSHIDA KOGYO KK9
Top patents by PatentIndex Score
9 records- 0186US4225398AMethod of improving the corrosion resistance of an anodically oxidized surface film on aluminum articlesYOSHIDA KOGYO KK·Filed 1978·Granted Sep 30, 1980·41 cites·8 claims
- 0272US5334297AMethod for production of colored article of aluminum or aluminum alloyYOSHIDA KOGYO KK·Filed 1993·Granted Aug 2, 1994·50 cites·6 claims
- 0366US4210695AMethod of forming colored patterns on aluminum or its alloysYOSHIDA KOGYO KK·Filed 1978·Granted Jul 1, 1980·13 cites·6 claims
- 0462US4210499AMethod of forming colored patterns on aluminum or its alloysYOSHIDA KOGYO KK·Filed 1978·Granted Jul 1, 1980·12 cites·6 claims
- 0544US5120405AMethod of coloring aluminum or aluminum alloy materialYOSHIDA KOGYO KK·Filed 1991·Granted Jun 9, 1992·7 cites·6 claims
- 0636US5110782AProcess for producing perovskite-type oxide catalystYOSHIDA KOGYO KK·Filed 1990·Granted May 5, 1992·5 cites·9 claims
- 0732US4420378AMethod for forming decorative colored streak patterns on the surface of an aluminum shaped articleYOSHIDA KOGYO KK·Filed 1981·Granted Dec 13, 1983·3 cites·8 claims
- 0830US4973369AAlloy catalyst for oxidation of hydrogenYOSHIDA KOGYO KK·Filed 1990·Granted Nov 27, 1990·2 cites·1 claims
- 0928US5217601AMethod for impartation of blue color to aluminum or aluminum alloyYOSHIDA KOGYO KK·Filed 1992·Granted Jun 8, 1993·1 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Hatsuo Hirono files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →