HS

Hiroyoshi Sugawara

DE Denso: 5 patents #2,617 of 11,792Top 25%
NC Nihon Parkerizing Co.: 3 patents #22 of 330Top 7%
NC Nippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
Overall (All Time): #1,029,804 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7353863 Method of surface treating aluminum alloy base body of heat exchanger and heat exchanger produced by the method Kengo Kobayashi, Osamu Kasebe, Kazuhisa Uchiyama, Kenji Karube, Kazunari Hamamura +1 more 2008-04-08
6698507 Aluminum alloy heat exchanger resistive to tobacco odor impregnation Kazunari Hamamura, Kengo Kobayashi, Osamu Kasebe, Kazuhisa Uchiyama 2004-03-02
6689481 Aluminum alloy heat exchanger resistive to tobacco odor impregnation Kazunari Hamamura, Kengo Kobayashi, Osamu Kasebe, Kazuhisa Uchiyama 2004-02-10
6659171 Hydrophilic modification method and heat exchanger treated thereby Toshio Inbe, Susumu Maekawa, Akira Ushio, Koichi Saito, Norizumi Matsui +3 more 2003-12-09
6306226 Process for surface-treating an aluminum-containing metal Yasuo Iino, Hiroki Kojima, Tomohiro Ohsako, Kengo Kobayashi 2001-10-23