KA

Kiyohito Asaumi

CC Chlorine Engineers Corp.: 8 patents #2 of 106Top 2%
KA Kaneka: 6 patents #195 of 1,525Top 15%
TC Toagosei Co.: 6 patents #22 of 338Top 7%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
TO Tosoh: 2 patents #354 of 1,042Top 35%
AC Asahi Kasei Chemicals: 2 patents #152 of 543Top 30%
DC Daiso Co.: 2 patents #44 of 151Top 30%
AC Asahi Glass Co.: 2 patents #833 of 2,251Top 40%
TO Tokuyama: 2 patents #163 of 562Top 30%
T( Thyssenkrupp Uhde Chlorine Engineers (Japan): 1 patents #5 of 20Top 25%
📍 Okayama, JP: #151 of 1,590 inventorsTop 10%
Overall (All Time): #571,796 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9828684 Cell for ion exchange membrane electrolysis Koichi Hirashima, Zhengkan Huang, Mitsumasa Okamoto, Koji Yoshimura 2017-11-28
9315908 Electrolytic cell for producing chlorine—sodium hydroxide and method of producing chlorine—sodium hydroxide Tomonori Idutsu, Koji Saiki, Yukinori Iguchi 2016-04-19
9181624 Method of electrolysis employing two-chamber ion exchange membrane electrolytic cell having gas diffusion electrode Mikihito Sugiyama, Yukinori Iguchi 2015-11-10
8940139 Gas diffusion electrode equipped ion exchange membrane electrolyzer Yukinori Iguchi, Mitsuharu Hamamori, Tomonori Izutsu 2015-01-27
8197649 Ion exchange membrane electrolytic cell Koji Saiki, Mitsuharu Hamamori, Tsugiyoshi Osakabe 2012-06-12
7754058 Ion exchange membrane electrolyzer 2010-07-13
7569083 Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes Shinji Katayama, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura +4 more 2009-08-04
7404878 Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes Shinji Katayama, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura +4 more 2008-07-29
7303661 Electrode for electrolysis and ion exchange membrane electrolytic cell Shinji Katayama 2007-12-04