Kudo; Keiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kudo; Keiji.The latest application filed is for "method for recovering scandium".

Company Profile

2.23.20

Kudo; Keiji - Niihama JP
Kudo; Keiji - Niihama-shi JP
Kudo; Keiji - Kasumigaura JP
Kudo; Keiji - Ehime JP
Kudo; Keiji - Kasumigaura-shi JP
Kudo; Keiji - Suita JP
Kudo; Keiji - Osaka JP
Kudo; Keiji - Ehime-ken 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

Patent	Date
Method for recovering scandium Grant 11,214,849 - Nagai , et al. January 4, 2	2022-01-04
Method For Recovering Scandium App 20210254193 - Nagai; Hidemasa ; et al.	2021-08-19
Method for recovering scandium Grant 10,570,480 - Nagai , et al. Feb	2020-02-25
Wet smelting method for nickel oxide ore Grant 10,227,675 - Shouji , et al.	2019-03-12
Method for recovering high-purity scandium Grant 10,081,851 - Matsuoka , et al. September 25, 2	2018-09-25
Scandium recovery method Grant 9,963,762 - Higaki , et al. May 8, 2	2018-05-08
Method For Recovering Scandium App 20180087128 - Nagai; Hidemasa ; et al.	2018-03-29
Wet Smelting Method For Nickel Oxide Ore App 20180037972 - Shouji; Hirofumi ; et al.	2018-02-08
Method For Recovering High-purity Scandium App 20170321301 - Matsuoka; Itsumi ; et al.	2017-11-09
Method for a treatment for wastewater containing aluminum, magnesium, and manganese Grant 9,751,783 - Kobayashi , et al. September 5, 2	2017-09-05
Removal method of manganese from waste water Grant 9,657,370 - Kobayashi , et al. May 23, 2	2017-05-23
Method for producing high-purity nickel sulfate and method for removing impurity element from solution containing nickel Grant 9,567,239 - Heguri , et al. February 14, 2	2017-02-14
Traveling drive device for dump truck Grant 9,550,414 - Kudo , et al. January 24, 2	2017-01-24
Scandium Recovery Method App 20160340757 - Higaki; Tatsuya ; et al.	2016-11-24
Method for recovering rare earth element Grant 9,347,115 - Maeba , et al. May 24, 2	2016-05-24
Method For Producing High-purity Nickel Sulfate And Method For Removing Impurity Element From Solution Containing Nickel App 20150329375 - Heguri; Shin-ichi ; et al.	2015-11-19
Valuable metal leaching method, and valuable metal collection method employing the leaching method Grant 9,068,242 - Ishida , et al. June 30, 2	2015-06-30
Method for separating positive-pole active substance and method for recovering valuable metals from lithium ion battery Grant 9,023,130 - Kudo , et al. May 5, 2	2015-05-05
Traveling Drive Device For Dump Truck App 20150084397 - Kudo; Keiji ; et al.	2015-03-26
Method For Recovering Rare Earth Element App 20140322107 - Maeba; Kazunari ; et al.	2014-10-30
Apparatus, system, and method for construction of a design workflow Grant 8,655,630 - Iwata , et al. February 18, 2	2014-02-18
Method for recovering nickel from sulfuric acid aqueous solution Grant 8,580,213 - Kobayashi , et al. November 12, 2	2013-11-12
Valuable Metal Leaching Method, And Valuable Metal Collection Method Employing The Leaching Method App 20130269484 - Ishida; Hitoshi ; et al.	2013-10-17
Method For Separating Positive-pole Active Substance And Method For Recovering Valuable Metals From Lithium Ion Battery App 20130247721 - Kudo; Keiji ; et al.	2013-09-26
Method For A Treatment For Wastewater Containing Aluminum, Magnesium, And Manganese App 20130001173 - Kobayashi; Hiroshi ; et al.	2013-01-03
Design Workflow Construction Apparatus, Design Workflow Construction Method, Design System, Design Method, Design Workflow Construction Program, And Computer Readable Recording Medium In Which Design Workflow Construction Program Is Stored App 20120053905 - Iwata; Yoshiharu ; et al.	2012-03-01
Removal Method Of Manganese From Waste Water App 20110163042 - Kobayashi; Hiroshi ; et al.	2011-07-07
Method For Recovering Nickel From Sulfuric Acid Aqueous Solution App 20110135547 - Kobayashi; Hiroshi ; et al.	2011-06-09
Process of solvent extraction of copper Grant 7,449,160 - Takeda , et al. November 11, 2	2008-11-11
Method for concentrating precious metals contained in leaching residue discharged from copper hydrometallurgical process Grant 7,422,621 - Ando , et al. September 9, 2	2008-09-09
Nickel refining method Grant 7,138,005 - Kudo , et al. November 21, 2	2006-11-21
Method for extracting copper with solvent App 20060147360 - Takeda; Kenji ; et al.	2006-07-06
Method for concentrating precious metals contained in leaching residue discharged from copper hydrometallurgical process App 20050022629 - Ando, Koji ; et al.	2005-02-03
Process for refining raw copper material containing copper sulfide mineral App 20040144208 - Ando, Koji ; et al.	2004-07-29
Nickel refining method App 20030066389 - Kudo, Keiji ; et al.	2003-04-10

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