Inventor · disambiguated record
Atsuhiko Tounaka
Also filed as: TOUNAKA ATSUHIKO
6 granted patents·1 pending application·73 citations·filing 1997–2004
83Inventor score
Top patents by PatentIndex Score
7 records- 0172US6059174AFlux composition for brazing of aluminum material and method for brazing of aluminum materialSHOWA ALUMINUM CORP·Filed 1998·Granted May 9, 2000·32 cites·20 claims
- 0260US7029762B2Inorganic-organic composite-treated zinc-plated steel sheetNIPPON PAINT CO LTD·Filed 2004·Granted Apr 18, 2006·5 cites·8 claims
- 0355US7011895B2Inorganic-organic composite-treated zinc-plated steel sheetNIPPON STEEL CORP·Filed 2004·Granted Mar 14, 2006·2 cites·11 claims
- 0451US6388021B1Acrylic metal surface treatment composition with hydroxy and amino/ammonium functionalityNIPPON PAINT CO LTD·Filed 1999·Granted May 14, 2002·14 cites·25 claims
- 0551US6146473AMetal surface treatment composition containing an acrylic resin comprising a n-heterocycle ring, treatment method, and treated metal materialNIPPON PAINT CO LTD·Filed 1997·Granted Nov 14, 2000·14 cites·25 claims
- 0642US2005022908A1Metal surface treatment composition, metal surface treatment method, and galvanized steel plateFiled 2004·Application pending·0 cites
- 0738US6013377ASurface-treated metal material and metal surface treatment methodNIPPON PAINT CO LTD·Filed 1997·Granted Jan 11, 2000·6 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Atsuhiko Tounaka 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 →