Kusumi; Toshio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kusumi; Toshio.The latest application filed is for "fire-retardant filter medium and air filter unit".

Company Profile

0.9.0

Kusumi; Toshio - Osaka JP
Kusumi; Toshio - Settsu 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
Fire-retardant filter medium and air filter unit Grant 6,336,948 - Inoue , et al. January 8, 2	2002-01-08
Filter medium and air filter unit using the same Grant 6,261,979 - Tanaka , et al. July 17, 2	2001-07-17
Fibrous materials of fluororesins and deodorant and antibacterial fabrics made by using the same Grant 6,235,388 - Yamamoto , et al. May 22, 2	2001-05-22
Air filter unit and method for manufacturing the same Grant 6,027,553 - Hirano , et al. February 22, 2	2000-02-22
Polytetrafluoroethylene porous composite film Grant 5,834,528 - Tanaka , et al. November 10, 1	1998-11-10
Porous polytetrafluoroethylene film and process for preparation thereof Grant 5,772,884 - Tanaka , et al. June 30, 1	1998-06-30
Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same Grant 5,562,986 - Yamamoto , et al. October 8, 1	1996-10-08
Filter apparatus and filter element Grant 5,409,515 - Yamamoto , et al. April 25, 1	1995-04-25
Polytetrafluoroethylene porous film and preparation and use thereof Grant 5,234,739 - Tanaru , et al. August 10, 1	1993-08-10

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.