Koizumi; Hitoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koizumi; Hitoshi.The latest application filed is for "bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same".

Company Profile

4.5.5

Koizumi; Hitoshi - Hiratsuka JP
KOIZUMI; Hitoshi - Hiratsuka-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

Patent	Date
Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same Grant 11,021,499 - Honda , et al. June 1, 2	2021-06-01
Bis(6-methyl-3-sulphophenyl)phenylphosphine, ammonium salt thereof, and method for producing same Grant 10,696,701 - Honda , et al. June 30, 2	2020-06-30
Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, Ammonium Salt Thereof, And Method For Producing Same App 20190071460 - HONDA; Eriko ; et al.	2019-03-07
Bis(6-methyl-3-sulphophenyl)phenylphosphine, Ammonium Salt Thereof, And Method For Producing Same App 20180141967 - HONDA; Eriko ; et al.	2018-05-24
Bis(6-methyl-3-sulphophenyl)phenylphosphine, Ammonium Salt Thereof, And Method For Producing Same App 20160052947 - HONDA; Eriko ; et al.	2016-02-25
Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, Ammonium Salt Thereof, And Method For Producing Same App 20160052948 - HONDA; Eriko ; et al.	2016-02-25
Electric double layer capacitor Grant 5,086,373 - Kurabayashi , et al. February 4, 1	1992-02-04
Electrical double-layer capacitor Grant 5,072,335 - Kurabayashi , et al. December 10, 1	1991-12-10
Electrical double-layer capacitor Grant 5,072,337 - Kurabayashi , et al. December 10, 1	1991-12-10

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