Sunagawa; Ryuichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sunagawa; Ryuichi.The latest application filed is for "installation assist apparatus, installation assist method, and computer program product".

Company Profile

3.12.11

Sunagawa; Ryuichi - Tokyo JP
Sunagawa; Ryuichi - Gunma JP
Sunagawa; Ryuichi - Takasaki JP
Sunagawa, Ryuichi - Takasaki-shi 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
Installation assist apparatus, installation assist method, and computer program product Grant 11,068,289 - Ohkawa , et al. July 20, 2	2021-07-20
Water level measuring system, information processing apparatus, and water level measuring method Grant 10,823,601 - Igawa , et al. November 3, 2	2020-11-03
Installation Assist Apparatus, Installation Assist Method, And Computer Program Product App 20200310843 - OHKAWA; Hideki ; et al.	2020-10-01
Water Level Measuring System, Information Processing Apparatus, And Water Level Measuring Method App 20200209045 - IGAWA; Izumi ; et al.	2020-07-02
Millimeter wave radar and millimeter wave radar detection method Grant 10,698,098 - Igawa , et al.	2020-06-30
Water level measuring device Grant 10,571,327 - Igawa , et al. Feb	2020-02-25
Snow quality measuring apparatus and snow quality measuring method Grant 10,495,747 - Aoki , et al. De	2019-12-03
Millimeter Wave Radar And Millimeter Wave Radar Detection Method App 20180088227 - IGAWA; Izumi ; et al.	2018-03-29
Water Level Measuring Device App 20180058899 - IGAWA; Izumi ; et al.	2018-03-01
Snow Quality Measuring Apparatus And Snow Quality Measuring Method App 20170176587 - AOKI; Yutaka ; et al.	2017-06-22
Optical information recording apparatus, optical information recording method, and signal processing circuit Grant 7,633,844 - Oyama , et al. December 15, 2	2009-12-15
Optical information recording apparatus, optical information recording method, and signal processing circuit App 20060203646 - Oyama; Katsuhiro ; et al.	2006-09-14
Optical information recording method and apparatus, and recorded medium where optical information recording control program is recorded Grant 7,050,367 - Negishi , et al. May 23, 2	2006-05-23
Optical disk recording device and pickup device App 20060023581 - Sunagawa; Ryuichi ; et al.	2006-02-02
Optical information recording medium, method for recording/reproducing the same, and optical pickup Grant 6,990,049 - Takagishi , et al. January 24, 2	2006-01-24
Optical information recording medium Grant 6,874,156 - Takagishi , et al. March 29, 2	2005-03-29
Optical information recording/reproducing method and device therefor Grant 6,813,232 - Sunagawa , et al. November 2, 2	2004-11-02
Optical information recording medium Grant 6,792,613 - Takagishi , et al. September 14, 2	2004-09-14
Optical information recording medium, method for recording/reproducing the same, and optical pickup App 20030048734 - Takagishi, Yoshikazu ; et al.	2003-03-13
Optical information recording medium App 20020154595 - Takagishi, Yoshikazu ; et al.	2002-10-24
Optical information recording medium App 20020150030 - Takagishi, Yoshikazu ; et al.	2002-10-17
Optical information recording medium App 20020150034 - Takagishi, Yoshikazu ; et al.	2002-10-17
Method and apparatus for recording optical information Grant 6,442,119 - Sunagawa August 27, 2	2002-08-27

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.