KAWATSUKI; Nobuhiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for KAWATSUKI; Nobuhiro.The latest application filed is for "polarization diffraction element and vector beam mode detection system using the same".

Company Profile

3.5.8

KAWATSUKI; Nobuhiro - HYOGO JP
KAWATSUKI; Nobuhiro - Himeji-shi JP
Kawatsuki; Nobuhiro - Himeji JP
Kawatsuki; Nobuhiro - Kurashiki 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
Polarization Diffraction Element And Vector Beam Mode Detection System Using The Same App 20210072447 - SAKAI; Takeya ; et al.	2021-03-11
Photoreactive Liquid Crystal Composition, Display Element, Optical Element, Method For Manufacturing Display Element, And Method For Manufacturing Optical Element App 20200332194 - SASAKI; Tomoyuki ; et al.	2020-10-22
Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element Grant 10,752,839 - Sasaki , et al. A	2020-08-25
Photoreactive Liquid Crystal Composition, Display Element, Optical Element, Method For Manufacturing Display Element, And Method For Manufacturing Optical Element App 20170166816 - SASAKI; Tomoyuki ; et al.	2017-06-15
Retardation film and process for producing the same Grant 7,300,687 - Sakai , et al. November 27, 2	2007-11-27
Optical film, method for producing same, and polymer liquid crystal particle App 20070183052 - Murata; Makoto ; et al.	2007-08-09
Retardation film and process for producing the same App 20070019140 - Sakai; Takeya ; et al.	2007-01-25
Retardation film and process for producing the same App 20050083463 - Sakai, Takeya ; et al.	2005-04-21
Retardation film and process for producing the same App 20040166250 - Sakai, Takeya ; et al.	2004-08-26
Retardation film and process for producing the same Grant 6,743,487 - Sakai , et al. June 1, 2	2004-06-01
Retardation film and process for producing the same App 20020128341 - Sakai, Takeya ; et al.	2002-09-12
Polarizing optical element and device using the same Grant 5,155,622 - Kawatsuki , et al. October 13, 1	1992-10-13
Transmittance modulation photomask, process for producing the same, and process for producing diffraction gratings using the same Grant 4,842,969 - Kawatsuki , et al. June 27, 1	1989-06-27

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.