| 11517856 |
Flow path spacer and spiral membrane element |
Yuha OKAZAKI |
2022-12-06 |
| 11484840 |
Raw water channel spacer and spiral wound membrane element including the same |
Yuha OKAZAKI |
2022-11-01 |
| 11433356 |
Spiral membrane element |
Mieko Nishi |
2022-09-06 |
| 10987632 |
Spiral membrane element |
Mieko Nishi |
2021-04-27 |
| 10960356 |
Membrane module |
Kentarou Kobayashi |
2021-03-30 |
| 10906004 |
Spiral membrane module |
Kentarou Kobayashi |
2021-02-02 |
| 10874993 |
Permeation side flow path material for spiral membrane element and method for manufacturing same |
— |
2020-12-29 |
| 10821403 |
Spiral wound separation membrane module |
Toshiyuki Kawashima |
2020-11-03 |
| 10717049 |
Membrane element and membrane element end member used in same |
Hideki Matsuda, Shinichi Chikura |
2020-07-21 |
| 9914077 |
End member for spiral separation membrane element, spiral separation membrane element and separation membrane module |
Shinichi Chikura, Toshimitsu Hamada |
2018-03-13 |
| 9861938 |
Spiral-wound forward osmosis membrane element and forward osmosis membrane module |
Makoto Kobuke |
2018-01-09 |
| 9604179 |
Spiral membrane element and method of producing the same |
Shinichi Chikura, Yuuji Nishida |
2017-03-28 |
| 9504963 |
Spiral separation membrane element |
Shinichi Chikura, Toshimitsu Hamada, Kazuhito Yoshida |
2016-11-29 |
| 9061247 |
Separation membrane module |
Shinichi Chikura, Toshimitsu Hamada, Hideyuki Yamane, Kazuhito Yoshida, Masashi Beppu +1 more |
2015-06-23 |
| 8672142 |
Composite semipermeable membrane |
Shinya Nishiyama, Naoki Kurata, Takahisa Konishi, Yuuji Yamashiro, Kouji Maruyama +1 more |
2014-03-18 |
| 8568589 |
Connection member and separation membrane module using the same |
Toshimitsu Hamada, Masashi Beppu, Shinichi Chikura, Nobuharu Tahara, Masakatsu Takata |
2013-10-29 |
| 8361318 |
Spiral type separation membrane element |
Shinichi Chikura, Satoru Ishihara, Mitsuaki Hirokawa |
2013-01-29 |
| 8034241 |
Spiral membrane module |
Masashi Beppu, Shinichi Chikura, Kentaro Yamamoto |
2011-10-11 |
| 7998348 |
Spiral membrane element and process for producing the same |
Shinichi Chikura, Katsumi Ishii, Hideki Matsuda, Masashi Beppu, Hiroki Fujioka |
2011-08-16 |
| 7910000 |
Seal ring holder for membrane element and membrane element |
Shinichi Chikura |
2011-03-22 |
| 7867394 |
Membrane element sealing material holding member and membrane element |
Masashi Beppu, Hiroki Fujioka, Yuuji Nishida, Shinichi Chikura, Hideki Matsuda +1 more |
2011-01-11 |
| 7749382 |
Seal ring holder for membrane element and membrane element |
Shinichi Chikura |
2010-07-06 |
| 7198719 |
Sealer holding member for membrane element and membrane element using the same |
Shinichi Chikura |
2007-04-03 |
| 7172697 |
Seal ring holder for membrane element and membrane element |
Shinichi Chikura |
2007-02-06 |