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name:-0.028285980224609
name:-0.024778842926025
name:-0.0012948513031006
Okonogi; Daisuke Patent Filings

Okonogi; Daisuke

Patent Applications and Registrations

Patent applications and USPTO patent grants for Okonogi; Daisuke.The latest application filed is for "method for producing electrolyte membrane electrode assembly for fuel cells".

Company Profile
1.23.28
  • Okonogi; Daisuke - Wako JP
  • Okonogi; Daisuke - Wako-Shi JP
  • OKONOGI; Daisuke - UTSUNOMIYA-SHI JP
  • Okonogi; Daisuke - Utsunomiya JP
  • Okonogi; Daisuke - Tochigi-ken N/A JP
  • Okonogi; Daisuke - Shioya-gun JP
  • Okonogi; Daisuke - Saitama JP
  • Okonogi; Daisuke - Tochigi 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
PatentDate
Fuel cell stack
Grant 10,720,660 - Nara , et al.
2020-07-21
Method for producing electrolyte membrane electrode assembly for fuel cells
Grant 10,658,683 - Sugishita , et al.
2020-05-19
Method For Producing Electrolyte Membrane Electrode Assembly For Fuel Cells
App 20180145359 - SUGISHITA; Masashi ;   et al.
2018-05-24
Electrolyte membrane-electrode structure with resin frame for fuel cells
Grant 9,966,623 - Tanaka , et al. May 8, 2
2018-05-08
Fuel Cell Stack
App 20170263969 - NARA; Yusuke ;   et al.
2017-09-14
Fuel cell
Grant 9,225,032 - Sugiura , et al. December 29, 2
2015-12-29
Fuel cell separator sealing material and fuel cell separator
Grant 9,160,011 - Terada , et al. October 13, 2
2015-10-13
Electrolyte Membrane-electrode Structure With Resin Frame For Fuel Cells
App 20140234749 - Tanaka; Yukihito ;   et al.
2014-08-21
Fuel Cell Separator Sealing Material
App 20140234754 - TERADA; Satoru ;   et al.
2014-08-21
Separator and separator seal for polymer electrolyte fuel cells
Grant 8,795,920 - Okonogi , et al. August 5, 2
2014-08-05
Electrolyte Membrane-electrode Assembly For Fuel Cells, And Method For Producing Same
App 20140017590 - Sugishita; Masashi ;   et al.
2014-01-16
Fuel cell separator with chromium rich surface layer and method of producing the fuel cell separator
Grant 8,574,780 - Terada , et al. November 5, 2
2013-11-05
Fuel Cell
App 20120295176 - SUGITA; Narutoshi ;   et al.
2012-11-22
Fuel Cell
App 20120178011 - SUGIURA; Seiji ;   et al.
2012-07-12
Separator and separator seal for polymer electrolyte fuel cells
Grant 8,158,302 - Okonogi , et al. April 17, 2
2012-04-17
Separator and separator seal for polymer electrolyte fuel cells
Grant 8,133,949 - Okonogi , et al. March 13, 2
2012-03-13
Fuel cell exhibiting enhanced separator sealing structure
Grant 8,043,766 - Goto , et al. October 25, 2
2011-10-25
Fuel cell
Grant 7,977,003 - Nagoshi , et al. July 12, 2
2011-07-12
Injection-molding method and apparatus
Grant 7,947,208 - Kimura , et al. May 24, 2
2011-05-24
Injection-molding Method And Apparatus
App 20100264558 - Kimura; Mikihiko ;   et al.
2010-10-21
Injection-molding Method And Apparatus
App 20100237538 - Kimura; Mikihiko ;   et al.
2010-09-23
Method and device for injection molding
Grant 7,749,419 - Kimura , et al. July 6, 2
2010-07-06
Fuel Cell Separator Sealing Material And Fuel Cell Separator
App 20090220849 - TERADA; Satoru ;   et al.
2009-09-03
Separator for fuel cell
Grant 7,553,576 - Kimura , et al. June 30, 2
2009-06-30
Separator And Separator Seal For Polymer Electrolyte Fuel Cells
App 20090148750 - Okonogi; Daisuke ;   et al.
2009-06-11
Separator And Separator Seal For Polymer Electrolyte Fuel Cells
App 20090148748 - Okonogi; Daisuke ;   et al.
2009-06-11
Separator And Separator Seal For Polymer Electrolyte Fuel Cells
App 20090148749 - OKONOGI; Daisuke ;   et al.
2009-06-11
Fuel Cell
App 20090081509 - TANAKA; Hiroyuki ;   et al.
2009-03-26
Fuel cell with a seal member integrally formed on a metal separator
Grant 7,488,550 - Tanaka , et al. February 10, 2
2009-02-10
Fuel Cell Separator And Method Of Producing The Fuel Cell Separator
App 20090035643 - TERADA; Satoru ;   et al.
2009-02-05
Method of and apparatus for evaluating elastic member quality
Grant 7,475,600 - Rinoie , et al. January 13, 2
2009-01-13
Fuel Cell
App 20080261104 - Goto; Shuhei ;   et al.
2008-10-23
Fuel cell and metal separator for fuel cell
Grant 7,396,609 - Sugita , et al. July 8, 2
2008-07-08
Separator for fuel cell, method of producing the separator, and method of assembling the fuel cell
App 20070231662 - Goto; Shuhei ;   et al.
2007-10-04
Separator For Fuel Cell
App 20070111079 - Terada; Satoru ;   et al.
2007-05-17
Method of and apparatus for evaluating elastic member quality
App 20070022822 - Rinoie; Soushi ;   et al.
2007-02-01
Fuel cell
App 20060083977 - Nagoshi; Kentaro ;   et al.
2006-04-20
Method and device for injection molding
App 20060073226 - Kimura; Mikihiko ;   et al.
2006-04-06
Fuel cell and metal separator for fuel cell
App 20050271926 - Sugita, Narutoshi ;   et al.
2005-12-08
Separator for fuel cell
App 20050142414 - Kimura, Mikihiko ;   et al.
2005-06-30
Sealing resin-metal assembly
Grant 6,866,272 - Andou , et al. March 15, 2
2005-03-15
Seal construction for fuel cell
App 20040137307 - Okonogi, Daisuke ;   et al.
2004-07-15
Fuel cell
App 20040137304 - Tanaka, Hiroyuki ;   et al.
2004-07-15
Sealing resin-metal assembly
App 20030141672 - Andou, Keisuke ;   et al.
2003-07-31

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