Hachisuka; Hisao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hachisuka; Hisao.The latest application filed is for "method of treating reverse osmosis membrane element, and reverse osmosis membrane module".

Company Profile

0.11.1

Hachisuka; Hisao - Ibaraki JP
Hachisuka, Hisao - Ibaraki-shi JP
Hachisuka; Hisao - Kyoto JP
Hachisuka; Hisao - Osaka JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of treating reverse osmosis membrane element, and reverse osmosis membrane module Grant 6,821,430 - Andou , et al. November 23, 2	2004-11-23
Spiral wound type separation membrane element Grant 6,565,747 - Shintani , et al. May 20, 2	2003-05-20
Method of treating reverse osmosis membrane element, and reverse osmosis membrane module App 20030066805 - Andou, Masaaki ; et al.	2003-04-10
Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same Grant 6,413,425 - Hachisuka , et al. July 2, 2	2002-07-02
Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same Grant 6,177,011 - Hachisuka , et al. January 23, 2	2001-01-23
Reverse osmosis composite membrane Grant 6,026,968 - Hachisuka , et al. February 22, 2	2000-02-22
Separation membrane and method of producing the same, and shape memory polymer composition Grant 5,910,357 - Hachisuka , et al. June 8, 1	1999-06-08
Polysulfone semipermeable membrane and method of manufacturing the same Grant 5,888,605 - Hachisuka , et al. March 30, 1	1999-03-30
Method of manufacturing a polyimide-type gas permeation membrane including fluorine Grant 5,690,870 - Hachisuka , et al. November 25, 1	1997-11-25
Gas separating composite membrane and process for producing the same Grant 5,647,894 - Ohara , et al. July 15, 1	1997-07-15
Acid chloride Grant 5,510,527 - Hachisuka , et al. April 23, 1	1996-04-23
Composite reverse osmosis membrane and novel acid chloride Grant 5,336,409 - Hachisuka , et al. August 9, 1	1994-08-09

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