Tamitsuji; Chikaya

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tamitsuji; Chikaya.The latest application filed is for "fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods".

Company Profile

0.11.21

Tamitsuji; Chikaya - Chiyoda-ku JP
Tamitsuji; Chikaya - Tokyo JP
Tamitsuji; Chikaya - Yokohama-shi 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
Fluorosulfonyl group or sulfonic acid group-containing polymer, its production method and its application Grant 11,414,502 - Hirai , et al. August 16, 2	2022-08-16
Fluorosulfonyl Group-containing Compound, Fluorosulfonyl Group-containing Monomer, And Their Production Methods App 20220041765 - HIRAI; Takeshi ; et al.	2022-02-10
Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods Grant 11,242,420 - Hirai , et al. February 8, 2	2022-02-08
Polymer, Method For Producing Polymer, And Method For Producing Membrane App 20210332171 - HIRAI; Takeshi ; et al.	2021-10-28
Acid-type Sulfonic Acid Group-containing Polymer, Liquid Composition, Polymer Electrolyte Membrane, Membrane Electrode Assembly, Polymer Electrolyte Fuel Cell And Ion Exchange Membrane For Water Electrolysis App 20210301044 - HIRAI; Takeshi ; et al.	2021-09-30
Perfluoropolymer, Liquid Composition, Polymer Electrolyte Membrane, Membrane Electrode Assembly And Polymer Electrolyte Fuel Cell App 20210301119 - HIRAI; Takeshi ; et al.	2021-09-30
Perfluoropolymer, Liquid Composition, Polymer Electrolyte Membrane, Membrane Electrode Assembly And Polymer Electrolyte Water Electrolyzer App 20210284771 - HIRAI; Takeshi ; et al.	2021-09-16
Liquid Composition, Polymer Electrolyte Membrane, Membrane Electrode Assembly And Polymer Electrolyte Fuel Cell App 20210284813 - OKUYAMA; Takumi ; et al.	2021-09-16
Production methods for 1,3-dioxolane compound and perfluoro(2,2-dimethyl-1,3-dioxole) Grant 10,975,053 - Jomuta , et al. April 13, 2	2021-04-13
Production Methods For 1,3-dioxolane Compound And Perfluoro(2,2-dimethyl-1,3-dioxole) App 20200354332 - JOMUTA; Daisuke ; et al.	2020-11-12
Fluorosulfonyl Group-containing Compound, Fluorosulfonyl Group-containing Monomer, And Their Production Methods App 20200190025 - HIRAI; Takeshi ; et al.	2020-06-18
Fluorosulfonyl Group Or Sulfonic Acid Group-containing Polymer, Its Production Method And Its Application App 20200190233 - HIRAI; Takeshi ; et al.	2020-06-18
Cathode active material, process for its production, cathode and lithium ion secondary battery Grant 10,038,188 - Hardiyanto , et al. July 31, 2	2018-07-31
Cathode Active Material, Process For Its Production, Cathode And Lithium Ion Secondary Battery App 20150325851 - HARDIYANTO; Widjaja ; et al.	2015-11-12
Optical member comprising TiO.sub.2-containing silica glass Grant 8,735,308 - Koike , et al. May 27, 2	2014-05-27
Method for treating surface of oxide glass with fluorinating agent Grant 8,656,735 - Tamitsuji , et al. February 25, 2	2014-02-25
Process for production of synthetic quartz glass Grant 8,240,172 - Tamitsuji , et al. August 14, 2	2012-08-14
Method for production of an ethylene/tetrafluorideethylene copolymer molded product Grant 8,043,668 - Higashi , et al. October 25, 2	2011-10-25
Method For Production Of Synthetic Quartz Glass App 20110239707 - Tamitsuji; Chikaya ; et al.	2011-10-06
Method For Production Of Synthetic Quartz Glass App 20110239706 - Tamitsuji; Chikaya ; et al.	2011-10-06
Process For Production Of Synthetic Quartz Glass App 20110179827 - TAMITSUJI; Chikaya ; et al.	2011-07-28
Synthetic Quartz Glass Body, Process For Producing The Same, Optical Element, And Optical Apparatus App 20110151194 - Tamitsuji; Chikaya ; et al.	2011-06-23
Synthetic quartz glass body, process for producing the same, optical element, and optical apparatus Grant 7,934,391 - Tamitsuji , et al. May 3, 2	2011-05-03
Optical Member Comprising Tio2-containing Silica Glass App 20100179047 - KOIKE; Akio ; et al.	2010-07-15
Synthetic Quartz Glass Body, Process For Producing The Same, Optical Element, And Optical Apparatus App 20100159227 - TAMITSUJI; Chikaya ; et al.	2010-06-24
Method For Treating Surface Of Oxide Glass With Fluorinating Agent App 20100089096 - TAMITSUJI; Chikaya ; et al.	2010-04-15
Fluoropolymer Thin Film And Method For Its Production App 20100080903 - TAMITSUJI; Chikaya ; et al.	2010-04-01
Ethylene/tetrafluoroethylene Copolymer Molded Product And Method For Its Production App 20090214801 - HIGASHI; Seiji ; et al.	2009-08-27
Ethylene/tetrafluoroethylene Copolymer Molding And Method For Its Production App 20070228617 - HIGASHI; Seiji ; et al.	2007-10-04
Fluorocarbon Film And Process For Its Production App 20070202340 - Tamitsuji; Chikaya ; et al.	2007-08-30

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