HK

Hisao Kogoi

SK Showa Denko K.K.: 9 patents #136 of 1,736Top 8%
SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #503,041 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11124427 Method of producing titanium oxide Kei Mizue, Susumu Kayama 2021-09-21
8354358 Fine particulate titanium dioxide, and production process and uses thereof Susumu Kayama 2013-01-15
8298507 Fine particulate titanium dioxide, and production process and use thereof Susumu Kayama, Jun Tanaka 2012-10-30
7777129 Titanium oxide for dye-sensitized solar cells Susumu Kayama, Jun Tanaka 2010-08-17
7425287 Surface modification method for inorganic oxide powder, powder produced by the method and use of the powder Jun Tanaka 2008-09-16
7186393 Complex oxide, and production process therefor and applications thereof Jun Tanaka, Hiroyuki Hagihara 2007-03-06
7163717 Coated zinc oxide particle, and production process and applications thereof Hiroyuki Hagihara, Jun Tanaka 2007-01-16
7067105 Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing Jun Tanaka, Hayato Yamaya 2006-06-27
6416862 Ultrafine particulate zinc oxide and production process thereof Jun Tanaka, Hayato Yamaya 2002-07-09
6335002 Ultrafine particulate zinc oxide, production thereof and cosmetic material using the same Jun Tanaka, Hayato Yamaya 2002-01-01