Ryoichi; Okuyama

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ryoichi; Okuyama.The latest application filed is for "direct methanol type fuel cell and method of preventing elution of its fuel pole, quality control method and operation method".

Company Profile

0.2.6

Ryoichi; Okuyama - Takatsuki JP
Ryoichi; Okuyama - Osaka JP
Ryoichi, Okuyama - Takatsuki-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
Liquid fuel type fuel cell system and its operating method Grant 7,740,963 - Ryoichi , et al. June 22, 2	2010-06-22
Liquid fuel direct supply fuel cell system and its operation controlling method and controller Grant 7,618,729 - Ryoichi , et al. November 17, 2	2009-11-17
Direct methanol type fuel cell and method of preventing elution of its fuel pole, quality control method and operation method App 20070054159 - Ryoichi; Okuyama ; et al.	2007-03-08
Direct fuel cell system App 20070020497 - Ryoichi; Okuyama ; et al.	2007-01-25
Fuel cell system and method for detecting running out of fuel in fuel cell App 20060166045 - Ryoichi; Okuyama	2006-07-27
Liquid fuel direct supply fuel cell system and its operation controlling method and controller App 20060141307 - Ryoichi; Okuyama ; et al.	2006-06-29
Liquid fuel type fuel cell system and its operating method App 20050244698 - Ryoichi, Okuyama ; et al.	2005-11-03
Liquid-fuel fuel cell, operation monitoring method for monitoring operation thereof, and operation monitoring device App 20050233186 - Ryoichi, Okuyama ; et al.	2005-10-20

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