Patent | Date |
---|
Air Filter Medium, Filter Pack, And Air Filter Unit App 20210260516 - INUI; Kunihiko ;   et al. | 2021-08-26 |
Modified polytetrafluoroethylene fine powder and uniaxially stretched porous body Grant 11,084,895 - Yamanaka , et al. August 10, 2 | 2021-08-10 |
Polymer electrolyte film Grant 10,944,121 - Inoue , et al. March 9, 2 | 2021-03-09 |
Porous body, polymer electrolyte membrane, filter material for filter, and filter unit Grant 10,688,448 - Chaen , et al. | 2020-06-23 |
Polymer electrolyte membrane Grant 10,644,339 - Inoue , et al. | 2020-05-05 |
Mixed powder and material for molding having PTFE as main component, and drawn porous body Grant 10,265,661 - Chaen , et al. | 2019-04-23 |
Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter Grant 10,265,654 - Shibuya , et al. | 2019-04-23 |
Mixed Powder And Material For Molding Having Ptfe As Main Component, And Drawn Porous Body App 20180065094 - CHAEN; Shinichi ;   et al. | 2018-03-08 |
Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane Grant 9,707,504 - Chaen , et al. July 18, 2 | 2017-07-18 |
Filtering Medium For Air Filter, Filter Pack, Air Filter Unit, And Method For Producing Filtering Medium For Air Filter App 20170128876 - SHIBUYA; Yoshiyuki ;   et al. | 2017-05-11 |
Polymer Electrolyte Membrane App 20170012313 - INOUE; Yuichi ;   et al. | 2017-01-12 |
Biaxially-stretched Porous Membrane App 20170002156 - CHAEN; Shinichi ;   et al. | 2017-01-05 |
Porous Body, Polymer Electrolyte Membrane, Filter Material For Filter, And Filter Unit App 20170001155 - CHAEN; Shinichi ;   et al. | 2017-01-05 |
Polymer Electrolyte Film App 20170005354 - INOUE; Yuichi ;   et al. | 2017-01-05 |
Modified Polytetrafluoroethylene Fine Powder And Uniaxially Stretched Porous Body App 20160289361 - YAMANAKA; Taku ;   et al. | 2016-10-06 |
Sheet, Electrode And Fuel Cell App 20150200402 - Yoshimoto; Hiroyuki ;   et al. | 2015-07-16 |
Composition Having Ptfe As Main Component, Mixed Powder, Material For Molding, Filtering Medium For Filter, Air Filter Unit, And A Method For Manufacturing A Porous Membrane App 20150082757 - Chaen; Shinichi ;   et al. | 2015-03-26 |
Polytetrafluoroethylene mixture Grant 8,937,132 - Sawada , et al. January 20, 2 | 2015-01-20 |
Polytetrafluoroethylene mixture Grant 8,865,839 - Sawada , et al. October 21, 2 | 2014-10-21 |
Polytetrafluoroethylene Mixture App 20130281558 - Sawada; Yasuhiko ;   et al. | 2013-10-24 |
Polytetrafluoroethylene Mixture App 20130267621 - Sawada; Yasuhiko ;   et al. | 2013-10-10 |
Non-woven fabric and, a laminate and braided material using the same App 20040198127 - Yamamoto, Seigo ;   et al. | 2004-10-07 |
Electrical insulating plate, prepreg laminate and method for producing them App 20040022012 - Yamamoto, Katsutoshi ;   et al. | 2004-02-05 |
Adhesive tape or sheet of non-woven fluorine-containing resin fabric App 20030082973 - Yamamoto, Katsutoshi ;   et al. | 2003-05-01 |
Fire-retardant filter medium and air filter unit Grant 6,336,948 - Inoue , et al. January 8, 2 | 2002-01-08 |
Polytetrafluoroethylene porous composite film Grant 5,834,528 - Tanaka , et al. November 10, 1 | 1998-11-10 |
Porous polytetrafluoroethylene film and process for preparation thereof Grant 5,772,884 - Tanaka , et al. June 30, 1 | 1998-06-30 |
Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same Grant 5,562,986 - Yamamoto , et al. October 8, 1 | 1996-10-08 |
Filter apparatus and filter element Grant 5,409,515 - Yamamoto , et al. April 25, 1 | 1995-04-25 |