Koizumi; Tomoyoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koizumi; Tomoyoshi.The latest application filed is for "polyarylene sulfide production method and polyarylene sulfide production apparatus".

Company Profile

0.12.10

Koizumi; Tomoyoshi - Tokyo JP
Koizumi; Tomoyoshi - Chuo-ku JP
Koizumi; Tomoyoshi - Iwaki JP
Koizumi, Tomoyoshi - Iwaki-shi JP
Koizumi, Tomoyoshi - Fukushima 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
Polyarylene sulfide production method and polyarylene sulfide production apparatus Grant 9,908,974 - Kobayashi , et al. March 6, 2	2018-03-06
Polyarylene Sulfide Production Method And Polyarylene Sulfide Production Apparatus App 20170029570 - KOBAYASHI; Masanori ; et al.	2017-02-02
Column-type solid-liquid countercurrent contact apparatus, solid particle washing apparatus, and method Grant 9,339,778 - Koizumi , et al. May 17, 2	2016-05-17
Process for producing poly(arylene sulfide), and poly(arylene sulfide) comprising contacting a wash liquid with an alkaline compound Grant 9,068,047 - Ichinose , et al. June 30, 2	2015-06-30
Production process of poly(arylene sulfide) and production apparatus thereof Grant 8,981,041 - Kimura , et al. March 17, 2	2015-03-17
Production process of granular poly(arylene sulfide) Grant 8,609,790 - Suzuki , et al. December 17, 2	2013-12-17
Production Process of Poly(Arylene Sulfide) and Production Apparatus Thereof App 20130116401 - Kimura; Takayuki ; et al.	2013-05-09
Process for Producing Poly(Arylene Sulfide), and Poly(Arylene Sulfide) App 20130065054 - Ichinose; Yoshihiro ; et al.	2013-03-14
Column-Type Solid-Liquid Countercurrent Contact Apparatus, Solid Particle Washing Apparatus, and Method App 20120322972 - Koizumi; Tomoyoshi ; et al.	2012-12-20
Production Process of Granular Poly(Arylene Sulfide) App 20110178268 - Suzuki; Kenji ; et al.	2011-07-21
Optical filter and process for producing the same Grant 7,025,908 - Hayashi , et al. April 11, 2	2006-04-11
Gradient cathode material for lithium rechargeable batteries Grant 6,921,609 - Lampe-Onnerud , et al. July 26, 2	2005-07-26
Cathode material for lithium rechargeable batteries Grant 6,855,461 - Lampe-Onnerud , et al. February 15, 2	2005-02-15
Cathode material for lithium rechargeable batteries App 20020192556 - Lampe-Onnerud, Christina ; et al.	2002-12-19
Gradient cathode material for lithium rechargeable batteries App 20020192552 - Lampe-Onnerud, Christina ; et al.	2002-12-19
Optical material App 20020050587 - Hayashi, Naoki ; et al.	2002-05-02

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