Yamakawa; Yuzo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamakawa; Yuzo.The latest application filed is for "high density optical disk and reproduction/tracking control method".

Company Profile

0.4.5

Yamakawa; Yuzo - Tsukuba JP
Yamakawa; Yuzo - Tokyo JP
Yamakawa; Yuzo - Tsukuba-shi JP
Yamakawa; Yuzo - Saitama 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 recording medium Grant 8,097,323 - Shima , et al. January 17, 2	2012-01-17
High Density Optical Disk And Reproduction/tracking Control Method App 20100142362 - Kurihara; Kazuma ; et al.	2010-06-10
Optical Recording Medium App 20090269542 - Shima; Takayuki ; et al.	2009-10-29
Optical near-field generating element and optical apparatus including the same Grant 6,970,307 - Sugiura , et al. November 29, 2	2005-11-29
Optical recording medium using scattering bodies to enhance modulation Grant 6,848,115 - Sugiura , et al. January 25, 2	2005-01-25
Optical near-field generating element and optical apparatus including the same App 20050008296 - Sugiura, Satoshi ; et al.	2005-01-13
Optical near-field generating element and optical apparatus including the same Grant 6,839,191 - Sugiura , et al. January 4, 2	2005-01-04
Optical near-field generating element and optical apparatus including the same App 20030128945 - Sugiura, Satoshi ; et al.	2003-07-10
Optical recording medium with super-resolution layer structure using near-field light App 20020051422 - Sugiura, Satoshi ; et al.	2002-05-02

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