loadpatents
Patent applications and USPTO patent grants for Izumi; Keiji.The latest application filed is for "metallic roof material and roofing method using same".
Patent | Date |
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Metallic roof material and roofing method using same Grant 11,261,603 - Izumi , et al. March 1, 2 | 2022-03-01 |
Metal roofing material and roofing method Grant 10,724,242 - Okubo , et al. | 2020-07-28 |
Metallic Roof Material And Roofing Method Using Same App 20200199875 - Izumi; Keiji ;   et al. | 2020-06-25 |
Metal roofing material, and roofing structure and roofing method using same Grant 10,597,874 - Izumi , et al. | 2020-03-24 |
Metal roofing material Grant 10,519,661 - Izumi , et al. Dec | 2019-12-31 |
Metal roofing member, production method thereof, roofing structure and roofing method Grant 10,400,455 - Izumi , et al. Sep | 2019-09-03 |
Metal Roofing Material, And Roofing Structure And Roofing Method Using Same App 20190264448 - Izumi; Keiji ;   et al. | 2019-08-29 |
Metal Roofing Material App 20190203473 - Izumi; Keiji ;   et al. | 2019-07-04 |
Metal Roofing Material And Roofing Method App 20190119917 - Okubo; Kenichi ;   et al. | 2019-04-25 |
Metal roofing member, and roofing structure and roofing method using same Grant 10,233,645 - Izumi , et al. | 2019-03-19 |
Roof board Grant D841,192 - Izumi , et al. Feb | 2019-02-19 |
Structure Of Removing Static Electricity In Low-humidity Space App 20180213631 - Sakamoto; Taichi ;   et al. | 2018-07-26 |
Metal Roofing Member, And Roofing Structure And Roofing Method Using Same App 20180080228 - IZUMI; Keiji ;   et al. | 2018-03-22 |
Metal Roofing Member, Production Method Thereof, Roofing Structure And Roofingmethod App 20180066432 - IZUMI; Keiji ;   et al. | 2018-03-08 |
Dye-sensitized Solar Cell App 20110180141 - Nishida; Yoshikatu ;   et al. | 2011-07-28 |
Separator for low-temperature type fuel cell and production method therefor Grant 7,879,508 - Miyano , et al. February 1, 2 | 2011-02-01 |
Separator for low-temperature type fuel cell and production method therefor Grant 7,608,119 - Miyano , et al. October 27, 2 | 2009-10-27 |
Separator for Low-Temperature Type Fuel Cell and Production Method Therefor App 20090130535 - Miyano; Tsutomu ;   et al. | 2009-05-21 |
Display Device Using Light Storage Material And Method Of Manufacturing The Same App 20080169747 - IZUMI; Keiji | 2008-07-17 |
Stainless steel separator for low-temperature fuel cell Grant 7,070,877 - Morita , et al. July 4, 2 | 2006-07-04 |
Ink jet printer Grant 7,008,052 - Yamada , et al. March 7, 2 | 2006-03-07 |
Fuel tank made from aluminum coated steel sheet Grant 6,905,041 - Taketsu , et al. June 14, 2 | 2005-06-14 |
Ink jet printer App 20040257410 - Yamada, Takahisa ;   et al. | 2004-12-23 |
Stainless steel separator for low-temperature fuel cell App 20030224236 - Morita, Yoshikazu ;   et al. | 2003-12-04 |
Separator for low-temperature type fuel cell and production method therefor App 20030170523 - Miyano, Tsutomu ;   et al. | 2003-09-11 |
Image recording apparatus Grant 6,568,784 - Izumi , et al. May 27, 2 | 2003-05-27 |
Image recording apparatus App 20020130915 - Izumi, Keiji ;   et al. | 2002-09-19 |
Image forming apparatus App 20020130922 - Okawa, Kenichi ;   et al. | 2002-09-19 |
Chemically processed steel sheet improved in corrosion resistance App 20020090529 - Ueda, Kouichiro ;   et al. | 2002-07-11 |
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