loadpatents
name:-0.019280910491943
name:-0.018079042434692
name:-0.025548934936523
Tomana; Yu Patent Filings

Tomana; Yu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tomana; Yu.The latest application filed is for "fuel cell separator and fuel cell stack".

Company Profile
26.17.21
  • Tomana; Yu - Wako JP
  • Tomana; Yu - Tokyo JP
  • Tomana; Yu - Wako-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
PatentDate
Fuel cell and fuel cell stack
Grant 11,101,470 - Ishida , et al. August 24, 2
2021-08-24
Fuel cell separator and fuel cell stack
Grant 11,063,267 - Oyama , et al. July 13, 2
2021-07-13
Power generation cell
Grant 11,063,269 - Nishida , et al. July 13, 2
2021-07-13
Header flange to evenly distribute contact pressure across seals
Grant 10,991,955 - Xi , et al. April 27, 2
2021-04-27
Fuel cell separator, fuel cell joint separator, and power generation cell
Grant 10,923,740 - Tomana , et al. February 16, 2
2021-02-16
Fuel cell metal separator, method of producing the fuel cell metal separator, and power generation cell
Grant 10,910,658 - Ishida , et al. February 2, 2
2021-02-02
Power generation cell
Grant 10,886,556 - Tomana , et al. January 5, 2
2021-01-05
Fuel cell separator and power generation cell
Grant 10,811,700 - Tomana , et al. October 20, 2
2020-10-20
Power generation cell with reduced pressure loss between reactant gas passage and reactant gas flow field
Grant 10,784,524 - Tomana , et al. Sept
2020-09-22
Fuel cell separator and fuel cell stack
Grant 10,763,521 - Tomana , et al. Sep
2020-09-01
Power generating cell
Grant 10,741,861 - Ishida , et al. A
2020-08-11
Power generation cell
Grant 10,573,905 - Ishida , et al. Feb
2020-02-25
Fuel Cell Separator And Fuel Cell Stack
App 20200020958 - Oyama; Satoshi ;   et al.
2020-01-16
Fuel Cell Separator Member And Fuel Cell Stack
App 20200014041 - Goto; Shuhei ;   et al.
2020-01-09
Header design employing generally regular shapes
Grant 10,529,996 - Sakano , et al. J
2020-01-07
Reinforcement structure for bead seal in a plate assembly
Grant 10,522,852 - Yang , et al. Dec
2019-12-31
Fuel Cell Separator And Fuel Cell Stack
App 20190393514 - Goto; Shuhei ;   et al.
2019-12-26
Design Of Header Flange To Evenly Distribute Contact Pressure Across Seals
App 20190355999 - Xi; Liang ;   et al.
2019-11-21
Fuel Cell Separator, Fuel Cell Joint Separator, And Power Generation Cell
App 20190288300 - Tomana; Yu ;   et al.
2019-09-19
Fuel Cell And Fuel Cell Stack
App 20190214656 - Ishida; Kentaro ;   et al.
2019-07-11
Power Generation Cell
App 20190214655 - Nishida; Yosuke ;   et al.
2019-07-11
Header flange to evenly distribute contact pressure across seals
Grant 10,347,921 - Xi , et al. July 9, 2
2019-07-09
Power Generating Cell
App 20190198902 - Ishida; Kentaro ;   et al.
2019-06-27
Power Generation Cell
App 20190131633 - ISHIDA; Kentaro ;   et al.
2019-05-02
Fuel Cell Metal Separator And Power Generation Cell
App 20190097244 - Oyama; Satoshi ;   et al.
2019-03-28
Fuel Cell Separator And Fuel Cell Stack
App 20190074525 - Tomana; Yu ;   et al.
2019-03-07
Fuel Cell Separator And Power Generation Cell
App 20190074524 - Tomana; Yu ;   et al.
2019-03-07
Power Generation Cell
App 20190067712 - Tomana; Yu ;   et al.
2019-02-28
Power Generation Cell
App 20190044162 - Tomana; Yu ;   et al.
2019-02-07
Power Generation Cell
App 20190027772 - Tomana; Yu ;   et al.
2019-01-24
Design Of Header Flange To Evenly Distribute Contact Pressure Across Seals
App 20180241053 - Xi; Liang ;   et al.
2018-08-23
Header Design Employing Generally Regular Shapes
App 20180241055 - Sakano; Masaaki ;   et al.
2018-08-23
Reinforcement Structure For Bead Seal In A Plate Assembly
App 20180226662 - Yang; Xi ;   et al.
2018-08-09
Fuel Cell Metal Separator, Method Of Producing The Fuel Cell Metal Separator, And Power Generation Cell
App 20180226663 - Ishida; Kentaro ;   et al.
2018-08-09
Fuel cell
Grant 9,831,516 - Ishida , et al. November 28, 2
2017-11-28
Fuel Cell
App 20150207164 - ISHIDA; Kentaro ;   et al.
2015-07-23
Membrane electrode assembly for fuel cell
Grant 9,012,105 - Mitsuta , et al. April 21, 2
2015-04-21
Membrane Electrode Assembly For Fuel Cell
App 20140011111 - MITSUTA; Naoki ;   et al.
2014-01-09

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