Rokutan; Takao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Rokutan; Takao.The latest application filed is for "optical information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing method".

Company Profile

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Rokutan; Takao - Higashimurayama JP
Rokutan; Takao - Koganei JP
Rokutan; Takao - Tokyo 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 information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing method Grant 5,438,563 - Oshiba , et al. August 1, 1	1995-08-01
Optical information recording/regenerating apparatus and track scanning method for an optical information recording/regenerating apparatus Grant 5,398,225 - Sugaya , et al. March 14, 1	1995-03-14
Optical information recording/reproducing apparatus for performing positioning of recording/reproducing spot by selection of pairs of photo detecting elements Grant 5,394,385 - Sakurada , et al. February 28, 1	1995-02-28
Optical recording/reproducing apparatus for reproducing information of multiple tracks capable of correcting uneven illumination of the multiple tracks Grant 5,392,268 - Rokutan February 21, 1	1995-02-21
Track control circuit for optical card recording/reproducing apparatus Grant 5,293,365 - Rokutan March 8, 1	1994-03-08
Data reading and/or writing apparatus of type using optical card Grant 5,179,267 - Hashimoto , et al. January 12, 1	1993-01-12
Optical record medium including a data region, an identification region and a control data region, and a method of recording signals on the optical record medium Grant 5,091,635 - Akatsuka , et al. February 25, 1	1992-02-25
Optical card for data storage for use in a data recording and retrieving apparatus Grant 4,924,199 - Hashimoto , et al. May 8, 1	1990-05-08
Electronic marking apparatus for identifying a selected image from a plurality of electronically stored images Grant 4,802,018 - Tanikawa , et al. January 31, 1	1989-01-31

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