KOIWA; Masakazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for KOIWA; Masakazu.The latest application filed is for "separation film".

Company Profile

5.17.31

KOIWA; Masakazu - Shiga JP
Koiwa; Masakazu - Otsu JP
Koiwa; Masakazu - Otsu-shi JP
Koiwa; Masakazu - Kanagawa 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
Separation Film App 20220266204 - KOZAKI; Yoichiro ; et al.	2022-08-25
Gas separation membrane, gas separation membrane element, and gas separation method Grant 11,383,208 - Takahashi , et al. July 12, 2	2022-07-12
Separation membrane, separation membrane element, water purifier, and method for producing separation membrane Grant 11,167,249 - Koiwa , et al. November 9, 2	2021-11-09
Gas separation membrane, gas separation membrane element, and gas separation method Grant 11,000,800 - Sato , et al. May 11, 2	2021-05-11
Composite semipermeable membrane Grant 10,974,205 - Shimura , et al. April 13, 2	2021-04-13
Gas Separation Membrane, Gas Separation Membrane Element, And Gas Separation Method App 20200338506 - TAKAHASHI; Rina ; et al.	2020-10-29
Gas Separation Membrane, Gas Separation Membrane Element, Gas Separator, And Gas Separation Method App 20200147561 - TAKAHASHI; Rina ; et al.	2020-05-14
Gas Separation Membrane, Gas Separation Membrane Element, And Gas Separation Method App 20190275461 - SATO; Kazuki ; et al.	2019-09-12
Separation Membrane, Separation Membrane Element, Water Purifier, And Method For Producing Separation Membrane App 20180318771 - KOIWA; Masakazu ; et al.	2018-11-08
Spiral separation membrane element and method for producing same Grant 9,764,291 - Hirozawa , et al. September 19, 2	2017-09-19
Separation membrane element Grant 9,724,646 - Okamoto , et al. August 8, 2	2017-08-08
Separation membrane, separation membrane element, and method for producing separation membrane Grant 9,616,390 - Hirozawa , et al. April 11, 2	2017-04-11
Separation membrane element and production method for same Grant 9,597,640 - Koiwa , et al. March 21, 2	2017-03-21
Separation membrane for water treatment and production method for same Grant 9,527,042 - Takagi , et al. December 27, 2	2016-12-27
Separation membrane element Grant 9,387,445 - Kimura , et al. July 12, 2	2016-07-12
Separation Membrane And Separation Membrane Element App 20150321148 - Hirozawa; Hiroho ; et al.	2015-11-12
Separation Membrane And Separation Membrane Element App 20150298064 - TAKAGI; Kentaro ; et al.	2015-10-22
Composite Semipermeable Membrane And Composite Semipermeable Membrane Element App 20150283515 - Koiwa; Masakazu ; et al.	2015-10-08
Composite Semipermeable Membrane App 20150190759 - Shimura; Harutoki ; et al.	2015-07-09
Separation Membrane Element App 20150144550 - Okamoto; Yoshiki ; et al.	2015-05-28
Separation Membrane Element And Production Method For Same App 20150068971 - Koiwa; Masakazu ; et al.	2015-03-12
Separation Membrane And Separation Membrane Element App 20150041388 - Hirozawa; Hiroho ; et al.	2015-02-12
Separation Membrane, Separation Membrane Element And Method For Producing Separation Membrane App 20140251896 - Hirozawa; Hiroho ; et al.	2014-09-11
Separation Membrane And Separation Membrane Element App 20140231332 - Hirozawa; Hiroho ; et al.	2014-08-21
Separation Membrane Element App 20140224726 - Kimura; Masahiro ; et al.	2014-08-14
Separation Membrane, Separation Membrane Element, And Method For Producing Separation Membrane App 20140151286 - Hirozawa; Hiroho ; et al.	2014-06-05
Spiral Separation Membrane Element And Method For Producing Same App 20140014569 - Hirozawa; Hiroho ; et al.	2014-01-16
Separation Membrane Element App 20130334128 - Takagi; Kentaro ; et al.	2013-12-19
Separation Membrane For Water Treatment And Production Method For Same App 20130284664 - Takagi; Kentaro ; et al.	2013-10-31
Separation Membrane, Separation Membrane Element And Separation Membrane Production Method App 20130213880 - Hirozawa; Hiroho ; et al.	2013-08-22
Microparticle and pharmaceutical composition thereof Grant 8,431,161 - Kakizawa , et al. April 30, 2	2013-04-30
Composite Semipermeable Membrane And Method Of Producing The Same App 20120305473 - Ogawa; Takafumi ; et al.	2012-12-06
Microparticle And Pharmaceutical Composition Thereof App 20110003007 - Kakizawa; Yoshinori ; et al.	2011-01-06
Vascular Endothelial Cell-binding Peptide App 20100184695 - Koyamatsu; Yuichi ; et al.	2010-07-22
Medicinal Preparation App 20080019918 - Aoki; Takao ; et al.	2008-01-24

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