Tezuka; Masaru

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tezuka; Masaru.The latest application filed is for "optical head, optical recording medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head".

Company Profile

0.8.4

Tezuka; Masaru - Kanagawa JP
Tezuka; Masaru - Sendai 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
Optical head, optical recording medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head Grant 7,619,959 - Nishi , et al. November 17, 2	2009-11-17
Optical disc camcorder Grant 7,283,730 - Inoue , et al. October 16, 2	2007-10-16
Optical head and recording and/or reproducing apparatus Grant 7,280,449 - Nishi , et al. October 9, 2	2007-10-09
Optical head and optical recording medium drive device Grant 7,177,259 - Nishi , et al. February 13, 2	2007-02-13
Optical head, optical recording medium recording and/or reproducing apparatus and recording and/or reproducing method using the optical head App 20050117494 - Nishi, Noriaki ; et al.	2005-06-02
Opticial head and optical recording medium drive device App 20040257961 - Nishi, Noriaki ; et al.	2004-12-23
Optical head and recording and/or reproducing apparatus App 20040223435 - Nishi, Noriaki ; et al.	2004-11-11
Production instruction volume decision support method and program therefor Grant 6,714,889 - Tezuka , et al. March 30, 2	2004-03-30
Production instruction volume decision support method and program therefor App 20030167146 - Tezuka, Masaru ; et al.	2003-09-04
Deterioration estimating method for a light emitting device and a light emission driving apparatus using the method Grant 5,625,616 - Koike , et al. April 29, 1	1997-04-29
Disc recording apparatus for recording a signal without losing the signal during an occurrence of a track jump Grant 5,291,467 - Ishiwata , et al. March 1, 1	1994-03-01
Optically writable record of digital information and recording apparatus therefor Grant 5,206,850 - Tezuka , et al. April 27, 1	1993-04-27

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.