Inventor · disambiguated record
Hiroyoshi Sugawara
Also filed as: SUGAWARA HIROYOSHI
5 granted patents·3 pending applications·47 citations·filing 1998–2010
78Inventor score
Top patents by PatentIndex Score
8 records- 0168US6306226B1Process for surface-treating an aluminum-containing metalNIHON PAPKERIZING CO LTD·Filed 1998·Granted Oct 23, 2001·28 cites·6 claims
- 0266US6659171B2Hydrophilic modification method and heat exchanger treated therebyNIPPON PAINT CO LTD·Filed 2002·Granted Dec 9, 2003·8 cites·16 claims
- 0362US6698507B2Aluminum alloy heat exchanger resistive to tobacco odor impregnationNIHON PARKERIZING·Filed 2003·Granted Mar 2, 2004·7 cites·6 claims
- 0453US2010279145A1Coating structure and method for forming the sameDENSO CORP·Filed 2010·Application pending·0 cites
- 0552US2007264491A1Coating structure and method for forming the sameDENSO CORP·Filed 2007·Application pending·0 cites
- 0647US6689481B2Aluminum alloy heat exchanger resistive to tobacco odor impregnationNIHON PARKERIZING·Filed 2001·Granted Feb 10, 2004·3 cites·3 claims
- 0743US2008000511A1Thermoelectric conversion device and manufacture method of the sameDENSO CORP·Filed 2007·Application pending·0 cites
- 0842US7353863B2Method of surface treating aluminum alloy base body of heat exchanger and heat exchanger produced by the methodDENSO CORP·Filed 2004·Granted Apr 8, 2008·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyoshi Sugawara 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 →