Takekawa; Toshihiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Takekawa; Toshihiro.The latest application filed is for "proton-conductive composite electrolyte membrane and producing method thereof".

Company Profile

0.10.15

Takekawa; Toshihiro - Yokosuka N/A JP
TAKEKAWA; Toshihiro - Yokosuka-shi JP
Takekawa; Toshihiro - Kanagawa-ken JP
Takekawa; Toshihiro - Kanagawa 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
Fuel cell system and method of repairing electrolyte membrane thereof Grant 8,580,442 - Takekawa November 12, 2	2013-11-12
Electrochemical cell and fuel cell using an ionic conductor Grant 8,535,849 - Watanabe , et al. September 17, 2	2013-09-17
Proton-conductive Composite Electrolyte Membrane And Producing Method Thereof App 20120058416 - TAKEKAWA; Toshihiro ; et al.	2012-03-08
Electrochemical Cell Using An Ionic Conductor App 20120040272 - WATANABE; Masayoshi ; et al.	2012-02-16
Electrocatalyst for electrochemical cell, method for producing the electrocatalyst, electrochemical cell, single cell of fuel cell, and fuel cell Grant 8,114,538 - Takekawa , et al. February 14, 2	2012-02-14
Electrochemical cell using an ionic conductor Grant 8,071,253 - Watanabe , et al. December 6, 2	2011-12-06
Ion Conductor App 20100233551 - Ogawa; Hiroshi ; et al.	2010-09-16
Fuel cell stack and manufacturing method thereof Grant 7,718,292 - Takekawa May 18, 2	2010-05-18
Electrocatalyst For Electrochemical Cell, Method For Producing The Electrocatalyst, Electrochemical Cell, Single Cell Of Fuel Cell, And Fuel Cell App 20090305103 - Takekawa; Toshihiro ; et al.	2009-12-10
Fuel Cell System And Method Of Repairing Electrolyte Membrane Thereof App 20090226773 - Takekawa; Toshihiro	2009-09-10
Proton-conductive composite electrolyte membrane and producing method thereof App 20080213646 - Takekawa; Toshihiro ; et al.	2008-09-04
Low- Friction Sliding Mechanism And Uses Thereof App 20080076684 - NANBU; Toshikazu ; et al.	2008-03-27
Proton-conductive composite electrolyte membrane and producing method thereof App 20060083962 - Takekawa; Toshihiro ; et al.	2006-04-20
Separator for fuel cell and method of manufacture therefor Grant 6,921,600 - Miyazawa , et al. July 26, 2	2005-07-26
Fuel cell system and method of stopping the system Grant 6,893,758 - Miyazawa , et al. May 17, 2	2005-05-17
Polymer electrolyte fuel cell and related method App 20050069751 - Zhang, Jianbo ; et al.	2005-03-31
Fuel cell stack and manufacturing method thereof App 20050048358 - Takekawa, Toshihiro	2005-03-03
Fuel cell system and microorganism inhibiting method Grant 6,841,281 - Itou , et al. January 11, 2	2005-01-11
Fuel cell system and method of stopping the system App 20040081870 - Miyazawa, Atsushi ; et al.	2004-04-29
Separator for fuel cell and method of manufacture therefor App 20030235735 - Miyazawa, Atsushi ; et al.	2003-12-25
Fuel cell system and microorganism inhibiting method App 20020132143 - Itou, Yasuyuki ; et al.	2002-09-19
Non-aqueous rechargeable battery for vehicles App 20020081485 - Takekawa, Toshihiro ; et al.	2002-06-27
Rechargeable lithium battery App 20020012830 - Uemura, Ryuzo ; et al.	2002-01-31

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.