ISHIZUKA; Hirohito

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHIZUKA; Hirohito.The latest application filed is for "resin produced by polycondensation, and resin composition".

Company Profile

2.10.10

ISHIZUKA; Hirohito - Ibaraki JP
Ishizuka; Hirohito - Chiba Prefecture N/A JP
Ishizuka; Hirohito - Tokyo N/A 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
Resin Produced By Polycondensation, And Resin Composition App 20220282038 - KATO; Noriyuki ; et al.	2022-09-08
Resin produced by polycondensation, and resin composition Grant 11,370,882 - Kato , et al. June 28, 2	2022-06-28
Resin produced by polycondensation, and resin composition Grant 10,689,486 - Kato , et al.	2020-06-23
Resin Produced By Polycondensation, And Resin Composition App 20200190259 - KATO; Noriyuki ; et al.	2020-06-18
Polycarbonate resin composition, and optical material and optical lens each manufactured using same Grant 9,982,129 - Ishizuka , et al. May 29, 2	2018-05-29
Polycarbonate Resin Composition, And Optical Material And Optical Lens Each Manufactured Using Same App 20170051146 - ISHIZUKA; Hirohito ; et al.	2017-02-23
Polyester Resin, Optical Lens, And Optical Lens System App 20170044311 - KATO; Noriyuki ; et al.	2017-02-16
Resin Produced By Polycondensation, And Resin Composition App 20170044312 - KATO; Noriyuki ; et al.	2017-02-16
Method for producing composition for optical material Grant 9,458,293 - Aoki , et al. October 4, 2	2016-10-04
Polycarbonate resin, production method therefor, and optical molded body Grant 9,360,593 - Ishizuka , et al. June 7, 2	2016-06-07
Polyformal resin copolymer and method for producing the same Grant 9,321,887 - Shiratake , et al. April 26, 2	2016-04-26
Polycarbonate Resin, Production Method Therefor, And Optical Molded Body App 20150285954 - Ishizuka; Hirohito ; et al.	2015-10-08
Polyformal Resin Copolymer And Production Method App 20150284510 - Shiratake; Munenori ; et al.	2015-10-08
Composition for use in optical material with high refractive index and high strength Grant 9,150,694 - Aoki , et al. October 6, 2	2015-10-06
Method For Producing Composition For Optical Material App 20140378628 - Aoki; Takashi ; et al.	2014-12-25
Resin composition for optical member and optical member obtained from the same Grant 8,389,671 - Takeuchi , et al. March 5, 2	2013-03-05
Composition For Use In Optical Material With High Refractive Index And High Strength App 20120142889 - Aoki; Takashi ; et al.	2012-06-07
Resin Composition For Optical Member And Optical Member Obtained From The Same App 20100130661 - Takeuchi; Motoharu ; et al.	2010-05-27

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.