The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 1989
Filed:
Dec. 15, 1986
Kenji Saitoh, Tokyo, JP;
Toshihiko Miyazaki, Atsugi, JP;
Ken Eguchi, Atsugi, JP;
Yukuo Nishimura, Sagamihara, JP;
Kunihiro Sakai, Yamato, JP;
Haruki Kawada, Atsugi, JP;
Hiroshi Matsuda, Atsugi, JP;
Takashi Nakagiri, Tokyo, JP;
Yoshinori Tomida, Atsugi, JP;
Toshiaki Kimura, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical recording method is provided which comprises a step of irradiating light corresponding to recording information on the optical recording medium having a recording layer containing at least one selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, croconic methine dyes or polymethine compounds and a diacetylene derivative compound to thereby form a pit on said recording layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile