| Patent | Date |
|---|
Titanium or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and manufacturing method therefor
Grant 10,074,857 - Kihira , et al. September 11, 2 | 2018-09-11 |
Titanium material or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and fuel cell
Grant 9,947,942 - Takahashi , et al. April 17, 2 | 2018-04-17 |
Titanium Or Titanium Alloy For Fuel Cell Separator Having High Contact Conductivity With Carbon And High Durability, Fuel Cell Separator Including The Same, And Fuel Cell
App 20150325864 - NISHIMOTO; Takumi ; et al. | 2015-11-12 |
Titanium Material Or Titanium Alloy Material For Fuel Cell Separator Having High Contact Conductivity With Carbon And High Durability, Fuel Cell Separator Including The Same, And Fuel Cell
App 20150280251 - Takahashi; Kazuhiro ; et al. | 2015-10-01 |
Titanium material for solid polymer fuel cell separator use and method of production of same
Grant 9,065,081 - Tanaka , et al. June 23, 2 | 2015-06-23 |
Titanium Or Titanium Alloy Material For Fuel Cell Separator Having High Contact Conductivity With Carbon And High Durability, Fuel Cell Separator Including The Same, And Manufacturing Method Therefor
App 20150147678 - Kihira; Hiroshi ; et al. | 2015-05-28 |
Rotary grinding tool and its production method
Grant 8,845,400 - Imai , et al. September 30, 2 | 2014-09-30 |
Polymer electrolyte fuel cell separator made of pure titanium or titanium alloy and method of production of same
Grant 8,785,031 - Kaneko , et al. July 22, 2 | 2014-07-22 |
Titanium material for solid polymer fuel cell separator having low contact resistance and method of production of same
Grant 8,603,268 - Takahashi , et al. December 10, 2 | 2013-12-10 |
Solid polymer type fuel cell separator and method of production of same
Grant 8,361,676 - Tanaka , et al. January 29, 2 | 2013-01-29 |
Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator
Grant 8,304,141 - Kihira , et al. November 6, 2 | 2012-11-06 |
Rotary Grinding Tool And Its Production Method
App 20120270484 - Imai; Atsumi ; et al. | 2012-10-25 |
Titanium material for solid polymer fuel cell separator use and method of production of same
App 20120171468 - Tanaka; Koki ; et al. | 2012-07-05 |
Solid polymer type fuel cell separator and method of production of same
Grant 8,182,961 - Tanaka , et al. May 22, 2 | 2012-05-22 |
Method of treatment for imparting conductivity to surface of separator-use base member of solid polymer type fuel cell
App 20120064232 - Yamazaki; Keisuke ; et al. | 2012-03-15 |
Solid Polymer Type Fuel Cell Separator And Method Of Production Of Same
App 20120034372 - Tanaka; Koki ; et al. | 2012-02-09 |
Titanium material for solid polymer fuel cell separator having low contact resistance and method of production of same
App 20110177430 - Takahashi; Kazuhiro ; et al. | 2011-07-21 |
Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator
App 20110032537 - Kihira; Hiroshi ; et al. | 2011-02-10 |
Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator
Grant 7,807,281 - Kihira , et al. October 5, 2 | 2010-10-05 |
Method For Applying Highly Durable Repair-coating
App 20090304917 - Kihira; Hiroshi ; et al. | 2009-12-10 |
Stainless Steel, Titanium, or Titanium Alloy Solid Polymer Fuel Cell Separator and Its Method of Produciton and Method of Evaluation of Warp and Twist of Separator
App 20090226785 - Kihira; Hiroshi ; et al. | 2009-09-10 |
Solid Polymer Type Fuel Cell Separator and Method of Production of Same
App 20090226787 - Tanaka; Koki ; et al. | 2009-09-10 |
Polymer Electrolyte Fuel Cell Separator Made Of Pure Titanium Or Titanium Alloy And Method Of Production Of Same
App 20090197143 - Kaneko; Michio ; et al. | 2009-08-06 |
Method for predicting degree of corrosion of weather-resistant steel
Grant 7,231,318 - Kihira , et al. June 12, 2 | 2007-06-12 |
Low- contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell
App 20060147784 - Kihira; Hiroshi ; et al. | 2006-07-06 |
Method for predicting degree of corrosion of weather-resistant steel
App 20040176934 - Kihira, Hiroshi ; et al. | 2004-09-09 |
Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cell
Grant 6,726,953 - Hisada , et al. April 27, 2 | 2004-04-27 |
Separators for solid polymer fuel cells and method for producing same, and solid polymer fuel cells
Grant 6,709,781 - Suzuki , et al. March 23, 2 | 2004-03-23 |
Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell
App 20040048134 - Kihira, Hiroshi ; et al. | 2004-03-11 |
Metal foil excellent in electrical contact stability
Grant 6,703,143 - Kihira , et al. March 9, 2 | 2004-03-09 |
Metal foil excellent in electrical contact stability
App 20030091854 - Kihira, Hiroshi ; et al. | 2003-05-15 |
Separators for solid polymer fuel cells and method for producing same, and solid polymer fuel cells
App 20020004158 - Suzuki, Noriyuki ; et al. | 2002-01-10 |
Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cell
App 20010006702 - Hisada, Wataru ; et al. | 2001-07-05 |
Method of and apparatus for detecting defect of transparent sheet as sheet glass
Grant 5,691,811 - Kihira November 25, 1 | 1997-11-25 |
Sensor for electrochemical measurement and method for diagnosing corrosion protective properties of metal surface coating by using the sensor
Grant 4,962,360 - Homma , et al. October 9, 1 | 1990-10-09 |
Method and apparatus for diagnosing degradation of coating film on metal material
Grant 4,806,849 - Kihira , et al. February 21, 1 | 1989-02-21 |
Method of detecting corrosion rate of member of steel material
Grant 4,800,165 - Oka , et al. January 24, 1 | 1989-01-24 |
| 