KATAYAMA; Tsutaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for KATAYAMA; Tsutaki.The latest application filed is for "organic solvent dispersion of hydrolysable polymer".

Company Profile

1.11.24

KATAYAMA; Tsutaki - Yokohama-shi Kanagawa
Katayama; Tsutaki - Yokohama JP
Katayama; Tsutaki - Kanagawa 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
Organic Solvent Dispersion Of Hydrolysable Polymer App 20220213316 - SHIBATA; Koki ; et al.	2022-07-07
Polylactic Acid Solid Composition And Method For Producing The Same App 20220185952 - KATAYAMA; Tsutaki ; et al.	2022-06-16
Polyoxalate Copolymer And Method Of Producing The Same App 20220033572 - KATAYAMA; Tsutaki ; et al.	2022-02-03
Polylactic Acid Copolymer And Method Of Producing The Same App 20210269587 - SHIBATA; Kouki ; et al.	2021-09-02
Method of extracting underground resources by using hydrolysable particles Grant 11,104,840 - Yoshikawa , et al. August 31, 2	2021-08-31
Polylactic acid composition Grant 10,626,246 - Yoshikawa , et al.	2020-04-21
Method of extracting underground resources and hydrolysis-blocking agent for use in the method Grant 10,487,620 - Yoshikawa , et al. Nov	2019-11-26
Powder comprising hydrolyzable resin particles Grant 10,385,171 - Yoshikawa , et al. A	2019-08-20
Polyoxalate Copolymer And Method Of Producing The Same App 20190055348 - KATAYAMA; Tsutaki ; et al.	2019-02-21
Dispersion solution for drilling and method of extracting underground resources using the dispersion solution Grant 10,040,983 - Yoshikawa , et al. August 7, 2	2018-08-07
Method for degrading biodegradable resin Grant 9,926,425 - Katayama March 27, 2	2018-03-27
Method Of Extracting Underground Resources By Using Hydrolysable Particles App 20180010037 - YOSHIKAWA; Seishi ; et al.	2018-01-11
Polyoxalate Copolymer App 20170342206 - YOSHIKAWA; Seishi ; et al.	2017-11-30
Method Of Extracting Underground Resources And Hydrolysis-blocking Agent For Use In The Method App 20170335653 - YOSHIKAWA; Seishi ; et al.	2017-11-23
Powder Comprising Hydrolyzable Resin Particles App 20170253703 - YOSHIKAWA; Seishi ; et al.	2017-09-07
Method For Degrading Biodegradable Resin App 20170218163 - Katayama; Tsutaki	2017-08-03
Method Of Decomposing Ester Resins App 20170210873 - KATAYAMA; Tsutaki ; et al.	2017-07-27
Method for degrading biodegradable resin Grant 9,650,489 - Katayama May 16, 2	2017-05-16
Polylactic Acid Composition App 20170015806 - YOSHIKAWA; Seishi ; et al.	2017-01-19
Formed Body Of Resin To Be Thrown Into Water App 20170015888 - YOSHIKAWA; Seishi ; et al.	2017-01-19
Method For Degrading Biodegradable Resin App 20160229979 - KATAYAMA; Tsutaki	2016-08-11
Biodegradable Resin Composition Having A Porous Structure And Method For Surface Treatment Of Same App 20160208062 - Katayama; Tsutaki ; et al.	2016-07-21
Method for degrading a readily-degradable resin composition Grant 9,284,432 - Yoshikawa , et al. March 15, 2	2016-03-15
Dispersion Solution For Drilling And Method Of Extracting Underground Resources Using The Dispersion Solution App 20150299553 - YOSHIKAWA; Seishi ; et al.	2015-10-22
Method for Degrading a Readily-degradable Resin Composition App 20150010974 - Yoshikawa; Seishi ; et al.	2015-01-08
Method for degrading biodegradable resin Grant 8,846,355 - Yoshikawa , et al. September 30, 2	2014-09-30
Method for Degrading Biodegradable Resin App 20130288322 - Yoshikawa; Seishi ; et al.	2013-10-31
Biodegradable Resin Composition App 20130274373 - Yoshikawa; Seishi ; et al.	2013-10-17
Method for producing oligomer and/or monomer by degrading biodegradable resin Grant 8,501,445 - Yoshikawa , et al. August 6, 2	2013-08-06
Biodegradable Resin Composition App 20130184415 - Yoshikawa; Seishi ; et al.	2013-07-18
Method for Producing Oligomer and/or Monomer by Degrading Biodegradable Resin App 20110201069 - Yoshikawa; Seishi ; et al.	2011-08-18

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.