Otani; Keizo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Otani; Keizo.The latest application filed is for "separator for fuel cell, fuel cell stack, method for manufacturing separator for fuel cell, and fuel cell vehicle".

Company Profile

0.7.11

Otani; Keizo - Kanagawa JP
Otani; Keizo - Kanagawa-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
Rolling element and a process for producing the rolling element Grant 7,462,128 - Uchiyama , et al. December 9, 2	2008-12-09
Separator for fuel cell, fuel cell stack, method for manufacturing separator for fuel cell, and fuel cell vehicle App 20070037033 - Chiba; Nobutaka ; et al.	2007-02-15
Rolling bearing Grant 7,070,335 - Hirai , et al. July 4, 2	2006-07-04
Rolling element and a process for producing the rolling element App 20060058152 - Uchiyama; Noriko ; et al.	2006-03-16
Rotary member and production process Grant 6,962,441 - Hirai , et al. November 8, 2	2005-11-08
High strength gear and method of producing the same Grant 6,878,218 - Yamaguchi , et al. April 12, 2	2005-04-12
Bearing pressure-resistant member and process for making the same App 20050045249 - Kurebayashi, Yutaka ; et al.	2005-03-03
Contact pressure-resistant member and method of making the same App 20050045248 - Otani, Keizo ; et al.	2005-03-03
Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element Grant 6,858,096 - Kino , et al. February 22, 2	2005-02-22
Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a process for producing the rolling element Grant 6,814,685 - Hirai , et al. November 9, 2	2004-11-09
Rotary member and production process App 20030169955 - Hirai, Eiji ; et al.	2003-09-11
Rolling bearing App 20030165279 - Hirai, Eiji ; et al.	2003-09-04
High bearing pressure-resistant member Grant 6,569,267 - Nakamura , et al. May 27, 2	2003-05-27
Bearing pressure-resistant member and process for making the same App 20030075244 - Kurebayashi, Yutaka ; et al.	2003-04-24
High strength gear and method of producing the same App 20020179188 - Yamaguchi, Takuro ; et al.	2002-12-05
Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element App 20020119858 - Kino, Nobuo ; et al.	2002-08-29
Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a process for producing the rolling element App 20020068659 - Hirai, Eiji ; et al.	2002-06-06
Power roller assembly for a toroidal-type continuously variable transmission App 20010016533 - Yoshida, Masayuki ; et al.	2001-08-23

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.