MK

Masakazu Koiwa

TI Toray Industries: 14 patents #113 of 3,690Top 4%
Overall (All Time): #336,035 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12403427 Method of separating and recovering cobalt salt and nickel salt Tomoya Yoshizaki, Takanori Soya, Shigehisa Hanada 2025-09-02
11905180 Method for recovering rare metal salt Tomoya Yoshizaki, Takanori Soya, Shigehisa Hanada 2024-02-20
11617991 Separation film Yoichiro Kozaki, Fumi Hojo, Satoko Kanamori, Kentaro Kobayashi, Masato Yanagibashi 2023-04-04
11383208 Gas separation membrane, gas separation membrane element, and gas separation method Rina Takahashi, Kazuki Sato, Shuji Furuno, Takao Sasaki 2022-07-12
11167249 Separation membrane, separation membrane element, water purifier, and method for producing separation membrane Ryoma Miyamoto, Hiroaki Tanaka, Koji Nakatsuji, Kentaro Takagi 2021-11-09
11000800 Gas separation membrane, gas separation membrane element, and gas separation method Kazuki Sato, Takao Sasaki 2021-05-11
10974205 Composite semipermeable membrane Harutoki Shimura, Yoshie Marutani, Koji Nakatsuji, Kiyohiko Takaya, Takao Sasaki +1 more 2021-04-13
9764291 Spiral separation membrane element and method for producing same Hiroho Hirozawa, Hiroshi Umetani, Kentarou Takagi, Masahiro Kimura 2017-09-19
9724646 Separation membrane element Yoshiki Okamoto, Hiroyuki Yamada, Kentaro Takagi, Hiroho Hirozawa, Tsuyoshi Hamada +1 more 2017-08-08
9616390 Separation membrane, separation membrane element, and method for producing separation membrane Hiroho Hirozawa, Kentaro Takagi, Yoshiki Okamoto, Hiroyuki Yamada, Yasuo Seike +2 more 2017-04-11
9597640 Separation membrane element and production method for same Kentaro Takagi, Hiroho Hirozawa, Yoshiki Okamoto, Masahiro Kimura 2017-03-21
9527042 Separation membrane for water treatment and production method for same Kentaro Takagi, Masahiro Kimura, Yutaro Suzuki 2016-12-27
9387445 Separation membrane element Masahiro Kimura, Katsufumi Oto, Kentarou Takagi, Hiroho Hirozawa, Yutaro Suzuki 2016-07-12
8431161 Microparticle and pharmaceutical composition thereof Yoshinori Kakizawa, Reiji Nishio, Junji Michizoe, Nobuo Ida, Taisuke Hirano +1 more 2013-04-30