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:
Aug. 19, 2008
Filed:
Mar. 09, 2005
Mitsuaki Oshima, Kyoto, JP;
Shinichi Konishi, Nara, JP;
Shin-ichi Tanaka, Kyotanabe, JP;
Kenji Koishi, Sanda, JP;
Mitsurou Moriya, Ikoma, JP;
Yoshiho Gotoh, Osaka, JP;
Yoshinari Takemura, Settsu, JP;
Norio Miyatake, Kobe, JP;
Motoyoshi Murakami, Hirakata, JP;
Mitsuaki Oshima, Kyoto, JP;
Shinichi Konishi, Nara, JP;
Shin-ichi Tanaka, Kyotanabe, JP;
Kenji Koishi, Sanda, JP;
Mitsurou Moriya, Ikoma, JP;
Yoshiho Gotoh, Osaka, JP;
Yoshinari Takemura, Settsu, JP;
Norio Miyatake, Kobe, JP;
Motoyoshi Murakami, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An optical disk that includes main information and write-once information recorded on the optical disk. The write-once information is recorded as information unique to the optical disk, and the write-once information stores at least watermark production parameters for producing a watermark.