Sugita; Narutoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugita; Narutoshi.The latest application filed is for "fuel cell".
Company Profile
1.93.78
- Sugita; Narutoshi - Wako JP
- Sugita; Narutoshi - Utsunomiya N/A JP
- SUGITA; Narutoshi - Utsunomiya-shi JP
- SUGITA; Narutoshi - Wako-shi JP
- Sugita; Narutoshi - Tochigi-ken JP
- Sugita; Narutoshi - Asaka JP
Patent Activity
| Patent | Date |
|---|---|
| Fuel cell Grant 10,622,647 - Yamano , et al. | 2020-04-14 |
| Fuel cell Grant 10,186,718 - Yamano , et al. Ja | 2019-01-22 |
| Fuel Cell App 20170117559 - YAMANO; Naoki ; et al. | 2017-04-27 |
| Fuel Cell App 20170110745 - YAMANO; Naoki ; et al. | 2017-04-20 |
| Fuel cell stack Grant 9,590,254 - Sugiura , et al. March 7, 2 | 2017-03-07 |
| Fuel cell Grant 9,431,673 - Sugita , et al. August 30, 2 | 2016-08-30 |
| Fuel cell Grant 9,160,016 - Ishida , et al. October 13, 2 | 2015-10-13 |
| Fuel cell stack Grant 9,083,017 - Tanaka , et al. July 14, 2 | 2015-07-14 |
| Fuel cell Grant 9,065,089 - Ishida , et al. June 23, 2 | 2015-06-23 |
| Fuel cell Grant 8,999,592 - Sugita , et al. April 7, 2 | 2015-04-07 |
| Fuel cell with protruded gas diffusion layer Grant 8,865,366 - Sugita , et al. October 21, 2 | 2014-10-21 |
| Fuel cell comprising offset connection channels Grant 8,846,264 - Ishida , et al. September 30, 2 | 2014-09-30 |
| Fuel cell separators capable of suppressing variation in pressure loss Grant 8,802,312 - Sugita , et al. August 12, 2 | 2014-08-12 |
| Fuel cell Grant 8,778,554 - Goto , et al. July 15, 2 | 2014-07-15 |
| Fuel cell and fuel cell stack Grant 8,637,204 - Suenaga , et al. January 28, 2 | 2014-01-28 |
| Fuel cell stack Grant 8,574,781 - Goto , et al. November 5, 2 | 2013-11-05 |
| Fuel Cell App 20130252131 - ISHIDA; Kentaro ; et al. | 2013-09-26 |
| Fuel Cell App 20120321987 - GOTO; Shuhei ; et al. | 2012-12-20 |
| Fuel Cell App 20120295177 - ISHIDA; Kentaro ; et al. | 2012-11-22 |
| Fuel Cell App 20120295176 - SUGITA; Narutoshi ; et al. | 2012-11-22 |
| Fuel Cell App 20120258377 - SUGITA; Narutoshi ; et al. | 2012-10-11 |
| Fuel Cell App 20120258378 - SUGITA; Narutoshi ; et al. | 2012-10-11 |
| Fuel cell and separator thereof Grant 8,283,085 - Kikuchi , et al. October 9, 2 | 2012-10-09 |
| Fuel cell Grant 8,268,507 - Tanaka , et al. September 18, 2 | 2012-09-18 |
| Fuel Cell With Protruded Gas Diffusion Layer App 20120183881 - SUGITA; Narutoshi ; et al. | 2012-07-19 |
| Solid polymer electrolyte fuel cell stack Grant 8,221,931 - Sugita , et al. July 17, 2 | 2012-07-17 |
| Fuel Cell App 20120178004 - Ishida; Kentaro ; et al. | 2012-07-12 |
| Fuel cell stack Grant 8,197,984 - Sugita , et al. June 12, 2 | 2012-06-12 |
| Fuel Cell And Fuel Cell Stack App 20120088183 - SUENAGA; Toshihiko ; et al. | 2012-04-12 |
| Fuel cell and fuel cell stack Grant 8,153,288 - Sugita , et al. April 10, 2 | 2012-04-10 |
| Fuel cell with protruded gas diffusion layer Grant 8,153,333 - Sugita , et al. April 10, 2 | 2012-04-10 |
| Fuel cell Grant 8,153,325 - Oda , et al. April 10, 2 | 2012-04-10 |
| Fuel cell and fuel cell stack Grant 8,148,032 - Sugiura , et al. April 3, 2 | 2012-04-03 |
| Fuel cell Grant 8,110,316 - Oda , et al. February 7, 2 | 2012-02-07 |
| Fuel cell stack with insulating members Grant 8,097,379 - Suenaga , et al. January 17, 2 | 2012-01-17 |
| Fuel Cell App 20110269049 - Tanaka; Hiroyuki ; et al. | 2011-11-03 |
| Fuel cell Grant 8,034,506 - Kikuchi , et al. October 11, 2 | 2011-10-11 |
| Fuel Cell Stack App 20110183227 - TANAKA; Hiroyuki ; et al. | 2011-07-28 |
| Fuel cell Grant 7,977,003 - Nagoshi , et al. July 12, 2 | 2011-07-12 |
| Fuel cell Grant 7,968,249 - Tanaka , et al. June 28, 2 | 2011-06-28 |
| Fuel Cell Stack App 20110097641 - Goto; Shuhei ; et al. | 2011-04-28 |
| Fuel cell with triangular buffers for reactant gas and coolant Grant 7,867,666 - Sugiura , et al. January 11, 2 | 2011-01-11 |
| Fuel cell with separator having a ridge member Grant 7,846,613 - Sugiura , et al. December 7, 2 | 2010-12-07 |
| Fuel cell Grant 7,846,612 - Goto , et al. December 7, 2 | 2010-12-07 |
| Fuel cell and separator for fuel cell Grant 7,790,326 - Sugita , et al. September 7, 2 | 2010-09-07 |
| Fuel cell Grant 7,758,991 - Goto , et al. July 20, 2 | 2010-07-20 |
| Fuel Cell And Separator Thereof App 20100119905 - KIKUCHI; Hideaki ; et al. | 2010-05-13 |
| Fuel cell Grant 7,704,625 - Tanaka , et al. April 27, 2 | 2010-04-27 |
| Fuel cell Grant 7,695,845 - Sugita , et al. April 13, 2 | 2010-04-13 |
| Fuel cell having coolant flow field wall Grant 7,691,511 - Kosaka , et al. April 6, 2 | 2010-04-06 |
| Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly Grant 7,687,165 - Sugiura , et al. March 30, 2 | 2010-03-30 |
| Fuel Cell Stack App 20100055540 - SUGIURA; Seiji ; et al. | 2010-03-04 |
| Fuel Cell With Triangular Buffers App 20100035108 - SUGIURA; Seiji ; et al. | 2010-02-11 |
| Fuel cell and cell fastening pins Grant 7,648,791 - Sakano , et al. January 19, 2 | 2010-01-19 |
| Fuel Cell App 20100003564 - TANAKA; Hiroyuki ; et al. | 2010-01-07 |
| Fuel cell and separator thereof Grant 7,632,597 - Kikuchi , et al. December 15, 2 | 2009-12-15 |
| Fuel cell with triangular buffers Grant 7,618,735 - Sugiura , et al. November 17, 2 | 2009-11-17 |
| Fuel cell Grant 7,572,538 - Fujii , et al. August 11, 2 | 2009-08-11 |
| Fuel cell App 20090148738 - Oda; Masaru ; et al. | 2009-06-11 |
| Fuel Cell App 20090130524 - GOTO; Shuhei ; et al. | 2009-05-21 |
| Fuel cell stack Grant 7,527,889 - Komura , et al. May 5, 2 | 2009-05-05 |
| Solid Polymer Electrolyte Fuel Cell Assembly, Fuel Cell Stack, And Method Of Operating Cell Assembly App 20090042069 - SUGIURA; Seiji ; et al. | 2009-02-12 |
| Fuel Cell App 20090042088 - Sugita; Narutoshi ; et al. | 2009-02-12 |
| Fuel Cell Stack App 20090042075 - Nakanishi; Yoshihiro ; et al. | 2009-02-12 |
| Fuel Cell App 20090004535 - Sugita; Narutoshi ; et al. | 2009-01-01 |
| Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly Grant 7,465,515 - Sugiura , et al. December 16, 2 | 2008-12-16 |
| Polymer electrolyte fuel cell stack and operating method thereof Grant 7,459,231 - Wariishi , et al. December 2, 2 | 2008-12-02 |
| Fuel Cell App 20080292930 - Oda; Masaru ; et al. | 2008-11-27 |
| Fuel cell Grant 7,445,865 - Goto , et al. November 4, 2 | 2008-11-04 |
| Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell Grant 7,413,821 - Sugiura , et al. August 19, 2 | 2008-08-19 |
| Fuel cell and metal separator for fuel cell Grant 7,396,609 - Sugita , et al. July 8, 2 | 2008-07-08 |
| Fuel cell App 20080113255 - Goto; Shuhei ; et al. | 2008-05-15 |
| Fuel cell stack Grant 7,368,199 - Wariishi , et al. May 6, 2 | 2008-05-06 |
| Full cell stack Grant 7,358,000 - Komura , et al. April 15, 2 | 2008-04-15 |
| Solid polymer electrolyte fuel cell stack App 20080085438 - Sugita; Narutoshi ; et al. | 2008-04-10 |
| Fuel cell with deformable seal members Grant 7,344,794 - Tanaka , et al. March 18, 2 | 2008-03-18 |
| Fuel cell with a seal tightly in contact with an electrode for preventing leakage of a reactant gas Grant 7,326,485 - Yoshida , et al. February 5, 2 | 2008-02-05 |
| Fuel cell Grant 7,323,269 - Sugiura , et al. January 29, 2 | 2008-01-29 |
| Membrane electrode assembly and fuel cell Grant 7,309,542 - Wakahoi , et al. December 18, 2 | 2007-12-18 |
| Solid polymer electrolyte fuel cell stack Grant 7,297,424 - Sugita , et al. November 20, 2 | 2007-11-20 |
| Fuel cell and fuel cell stack Grant 7,297,432 - Sugita , et al. November 20, 2 | 2007-11-20 |
| 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 |
| Fuel cell App 20070207372 - Kikuchi; Hideaki ; et al. | 2007-09-06 |
| Fuel cell Grant 7,220,511 - Nakagawa , et al. May 22, 2 | 2007-05-22 |
| Membrane electrode assembly, and fuel cell unit Grant 7,201,987 - Sugita , et al. April 10, 2 | 2007-04-10 |
| Fuel cell stack Grant 7,201,990 - Wariishi , et al. April 10, 2 | 2007-04-10 |
| Separator unit and fuel cell with separator unit Grant 7,195,837 - Suzuki , et al. March 27, 2 | 2007-03-27 |
| Fuel cell App 20070020504 - Sugita; Narutoshi ; et al. | 2007-01-25 |
| Fuel cell and separator for fuel cell App 20070003816 - Sugita; Narutoshi ; et al. | 2007-01-04 |
| Fuel cell stack Grant 7,144,647 - Sugita , et al. December 5, 2 | 2006-12-05 |
| Fuel cell App 20060204807 - Kosaka; Takashi ; et al. | 2006-09-14 |
| Fuel cell system Grant 7,097,927 - Sugita , et al. August 29, 2 | 2006-08-29 |
| Fuel cell stack and a method of supplying reactant gases to the fuel cell stack Grant 7,090,941 - Baba , et al. August 15, 2 | 2006-08-15 |
| Membrane electrode assembly and fuel cell unit Grant 7,056,614 - Sugita , et al. June 6, 2 | 2006-06-06 |
| Fuel cell and cell fastening pins App 20060110643 - Sakano; Masaaki ; et al. | 2006-05-25 |
| Fuel cell and fuel cell stack App 20060110646 - Suenaga; Toshihiko ; et al. | 2006-05-25 |
| Fuel cell App 20060083977 - Nagoshi; Kentaro ; et al. | 2006-04-20 |
| Fuel cell and fuel cell stack Grant 7,014,939 - Suenaga , et al. March 21, 2 | 2006-03-21 |
| Fuel cell App 20060003220 - Sugiura; Seiji ; et al. | 2006-01-05 |
| Fuel cell and metal separator for fuel cell App 20050271926 - Sugita, Narutoshi ; et al. | 2005-12-08 |
| Fuel cell stack Grant 6,969,564 - Wariishi , et al. November 29, 2 | 2005-11-29 |
| Fuel cell and fuel cell stack App 20050249995 - Sugiura, Seiji ; et al. | 2005-11-10 |
| Fuel cell and separator thereof App 20050238942 - Kikuchi, Hideaki ; et al. | 2005-10-27 |
| Fuel cell and fuel cell stack App 20050214627 - Sugita, Narutoshi ; et al. | 2005-09-29 |
| Fuel cell stack Grant 6,936,369 - Komura , et al. August 30, 2 | 2005-08-30 |
| Fuel cell stack App 20050158604 - Wariishi, Yoshinori ; et al. | 2005-07-21 |
| Fuel cell App 20050153192 - Nakagawa, Takaki ; et al. | 2005-07-14 |
| Fuel cell App 20050136306 - Sugiura, Seiji ; et al. | 2005-06-23 |
| Fuel cell and fuel cell stack App 20050089745 - Sugita, Narutoshi ; et al. | 2005-04-28 |
| Fuel cell stack, method of holding fuel cell stack under pressure, and separators Grant 6,872,483 - Sugiura , et al. March 29, 2 | 2005-03-29 |
| Fuel cell Grant 6,866,956 - Sugita , et al. March 15, 2 | 2005-03-15 |
| Fuel cell Grant 6,866,959 - Kikuchi , et al. March 15, 2 | 2005-03-15 |
| Membrane electrode assembly and fuel cell App 20050048342 - Wakahoi, Toshiya ; et al. | 2005-03-03 |
| Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell Grant 6,858,338 - Sugiura , et al. February 22, 2 | 2005-02-22 |
| Fuel cell App 20050031934 - Tanaka, Hiroyuki ; et al. | 2005-02-10 |
| Fuel cell stack App 20050019643 - Sugita, Narutoshi ; et al. | 2005-01-27 |
| Fuel cell Grant 6,841,282 - Sugita , et al. January 11, 2 | 2005-01-11 |
| Fuel cell Grant 6,833,210 - Kikuchi , et al. December 21, 2 | 2004-12-21 |
| Fuel cell stack App 20040229100 - Komura, Takashi ; et al. | 2004-11-18 |
| Fuel cell and fuel cell stack Grant 6,815,115 - Sugita , et al. November 9, 2 | 2004-11-09 |
| Fuel cell App 20040219410 - Tanaka, Hiroyuki ; et al. | 2004-11-04 |
| Fuel cell Grant 6,811,909 - Sugita , et al. November 2, 2 | 2004-11-02 |
| Full cell stack App 20040202911 - Komura, Takashi ; et al. | 2004-10-14 |
| Fuel cell App 20040202916 - Goto, Shuhei ; et al. | 2004-10-14 |
| Fuel cell stack and operating method thereof App 20040161649 - Wariishi, Yoshinori ; et al. | 2004-08-19 |
| Fuel cell App 20040157106 - Sugiura, Seiji ; et al. | 2004-08-12 |
| Solid polymer electrolyte fuel cell assmebly with gas passages in serial communication , and method of supplying reaction gas in fuel cell App 20040137298 - Sugiura, Seiji ; et al. | 2004-07-15 |
| Fuel cell App 20040121215 - Fujii, Yosuke ; et al. | 2004-06-24 |
| Fuel cell App 20040115509 - Yoshida, Hiromichi ; et al. | 2004-06-17 |
| Fuel cell stack having terminal element located at specified location Grant 6,723,463 - Sugita , et al. April 20, 2 | 2004-04-20 |
| Fuel cell comprising dual seal assembly Grant 6,692,860 - Inoue , et al. February 17, 2 | 2004-02-17 |
| Solid polymer electrolyte fuel cell stack App 20040023102 - Sugita, Narutoshi ; et al. | 2004-02-05 |
| Separator unit and fuel cell with separator unit App 20030215695 - Suzuki, Masaharu ; et al. | 2003-11-20 |
| Fuel cell stack Grant 6,620,540 - Sugita , et al. September 16, 2 | 2003-09-16 |
| Solid polymer electrolyte fuel cell stack Grant 6,613,470 - Sugita , et al. September 2, 2 | 2003-09-02 |
| Fuel cell App 20030129466 - Sugita, Narutoshi ; et al. | 2003-07-10 |
| Fuel cell App 20030129474 - Kikuchi, Hideaki ; et al. | 2003-07-10 |
| Fuel cell App 20030087140 - Kikuchi, Hideaki ; et al. | 2003-05-08 |
| Fuel cell stack App 20030054224 - Wariishi, Yoshinori ; et al. | 2003-03-20 |
| Fuel cell stack and a method of supplying reactant gases to the fuel cell stack App 20030054223 - Baba, Ichiro ; et al. | 2003-03-20 |
| Fuel cell App 20030054216 - Sugita, Narutoshi ; et al. | 2003-03-20 |
| Fuel cell App 20030049507 - Sugita, Narutoshi ; et al. | 2003-03-13 |
| Fuel cell stack App 20030049515 - Wariishi, Yoshinori ; et al. | 2003-03-13 |
| Fuel cell system App 20030044668 - Sugita, Narutoshi ; et al. | 2003-03-06 |
| Membrane electrode assembly and fuel cell unit App 20030027032 - Sugita, Narutoshi ; et al. | 2003-02-06 |
| Membrane electrode assembly, and fuel cell unit App 20030003342 - Sugita, Narutoshi ; et al. | 2003-01-02 |
| Fuel cell stack, method of holding fuel cell stack under pressure, and separators App 20020187386 - Sugiura, Seiji ; et al. | 2002-12-12 |
| Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly App 20020146612 - Sugiura, Seiji ; et al. | 2002-10-10 |
| Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell App 20020146601 - Sugiura, Seiji ; et al. | 2002-10-10 |
| Fuel cell stack App 20020127463 - Sugita, Narutoshi ; et al. | 2002-09-12 |
| Fuel cell and fuel cell stack App 20020127461 - Sugita, Narutoshi ; et al. | 2002-09-12 |
| Fuel cell and fuel cell stack App 20020102453 - Suenaga, Toshihiko ; et al. | 2002-08-01 |
| Fuel cell stack Grant 6,420,061 - Fujii , et al. July 16, 2 | 2002-07-16 |
| Fuel cell stack App 20020045087 - Sugita, Narutoshi ; et al. | 2002-04-18 |
| Fuel cell stack App 20020031697 - Sugita, Narutoshi ; et al. | 2002-03-14 |
| Fuel cell App 20010051294 - Inoue, Masajiro ; et al. | 2001-12-13 |
| Fastening structure for fuel cell stack Grant 6,258,475 - Sugita , et al. July 10, 2 | 2001-07-10 |
| Fuel cell stack Grant 6,255,011 - Fujii , et al. July 3, 2 | 2001-07-03 |
| Fuel cell Grant D432,495 - Sugita , et al. October 24, 2 | 2000-10-24 |
| Fuel cell stack Grant 6,048,633 - Fujii , et al. April 11, 2 | 2000-04-11 |
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