Tsutsui; Tatsumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsutsui; Tatsumi.The latest application filed is for "authentication device, authentication system, and verification method for authentication device".

Company Profile

0.5.4

Tsutsui; Tatsumi - Owariasahi JP
Tsutsui; Tatsumi - Kasugai 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
Authentication device, authentication system, and verification method for authentication device Grant 7,941,832 - Tsutsui , et al. May 10, 2	2011-05-10
Communication device, host apparatus, and communication method Grant 7,430,619 - Tsutsui September 30, 2	2008-09-30
Authentication device, authentication system, and verification method for authentication device App 20070300293 - Tsutsui; Tatsumi ; et al.	2007-12-27
Communication device, host apparatus, and communication method App 20070038783 - Tsutsui; Tatsumi	2007-02-15
Communication device, host apparatus, and communication method Grant 7,143,208 - Tsutsui November 28, 2	2006-11-28
USB upstream device, USB connector, and USB cable App 20050228934 - Tsutsui, Tatsumi	2005-10-13
Communication device, host apparatus, and communication method App 20040148431 - Tsutsui, Tatsumi	2004-07-29
Method of manufacturing semiconductor device Grant 6,326,254 - Ema , et al. December 4, 2	2001-12-04
Semiconductor device with first and second wells which have opposite conductivity types and a third well region formed on one of the first and second wells Grant 5,789,788 - Ema , et al. August 4, 1	1998-08-04

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.