Oto; Katsufumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oto; Katsufumi.The latest application filed is for "separation membrane and separation membrane element".

Company Profile

0.7.12

Oto; Katsufumi - Otsu JP
Oto; Katsufumi - Otsu-shi JP
Oto; Katsufumi - Shiga 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
Separation membrane element Grant 9,387,445 - Kimura , et al. July 12, 2	2016-07-12
Separation Membrane And Separation Membrane Element App 20150321148 - Hirozawa; Hiroho ; et al.	2015-11-12
Separation Membrane And Separation Membrane Element App 20150041388 - Hirozawa; Hiroho ; et al.	2015-02-12
Separation Membrane, Separation Membrane Element And Method For Producing Separation Membrane App 20140251896 - Hirozawa; Hiroho ; et al.	2014-09-11
Separation Membrane And Separation Membrane Element App 20140231332 - Hirozawa; Hiroho ; et al.	2014-08-21
Separation Membrane Element App 20140224726 - Kimura; Masahiro ; et al.	2014-08-14
Composite semipermeable membrane and method for producing same Grant 8,631,946 - Sasaki , et al. January 21, 2	2014-01-21
Separation Membrane, Separation Membrane Element And Separation Membrane Production Method App 20130213880 - Hirozawa; Hiroho ; et al.	2013-08-22
Composite Semipermeable Membrane And Method For Producing Same App 20120248027 - Sasaki; Takao ; et al.	2012-10-04
Composite semipermeable membrane, and production process thereof Grant 7,279,097 - Tomioka , et al. October 9, 2	2007-10-09
Bactericide for use in water treatment, method for water treatment and apparatus for water treatment Grant 7,090,780 - Ito , et al. August 15, 2	2006-08-15
Water-treating microbicide, water treatment method and water treatment apparatus App 20060016754 - Ito; Akihiko ; et al.	2006-01-26
Composite semipermeable membrane, and production process thereof App 20040256309 - Tomioka, Hiroki ; et al.	2004-12-23
Bactericide for use in water treatment, method for water treatment and apparatus for water treatment App 20040050800 - Ito, Akihiko ; et al.	2004-03-18
Membrane treatment method for semipermeable membranes Grant 4,634,531 - Nakagawa , et al. January 6, 1	1987-01-06

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.