TO

Takehiko Otoyo

AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
Overall (All Time): #1,143,662 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11352270 Porous membrane for membrane distillation, and method for operating membrane distillation module Tomotaka Hashimoto, Hiroyuki Arai, Kazuto Nagata, Noboru Kubota, Hiroki Takezawa 2022-06-07
6495041 Method for purifying aqueous suspension Tohru Taniguchi, Nobuhiko Suga 2002-12-17
6322703 Method for purifying aqueous suspension Tohru Taniguchi, Nobuhiko Suga 2001-11-27
5087372 Method for removing heavy metal ions from contaminated water and a porous membrane usable therefor Kazuo Toyomoto 1992-02-11