Ishibashi; Takayuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ishibashi; Takayuki.The latest application filed is for "magnetic semiconductor material and method for preparation thereof".

Company Profile

0.10.4

Ishibashi; Takayuki - Chiba JP
Ishibashi; Takayuki - Tokyo JP
Ishibashi, Takayuki - Yamaguchi JP
Ishibashi; Takayuki - Ube 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
Recording and/or reproducing device for disks Grant RE42,763 - Watanabe , et al. September 27, 2	2011-09-27
Recording and/or reproducing device for disks Grant RE42,041 - Watanabe , et al. January 18, 2	2011-01-18
Magnetic semiconductor material and method for preparation thereof Grant 7,102,171 - Sato , et al. September 5, 2	2006-09-05
Disk recording and/or reproducing device with starting and ejection control means Grant 6,760,283 - Watanabe , et al. July 6, 2	2004-07-06
Recording and/or reproducing device for disks Grant 6,751,181 - Watanabe , et al. June 15, 2	2004-06-15
Recording and/or reproducing device for disks Grant 6,724,713 - Watanabe , et al. April 20, 2	2004-04-20
Disc holding device and disc recording and/or reproducing device including disc mounting mechanisms and bias mechanisms for biasing a disc towards the mounting mechanisms Grant 6,683,828 - Watanabe , et al. January 27, 2	2004-01-27
Magnetic semiconductor material and method for preparation thereof App 20040014244 - Sato, Katsuaki ; et al.	2004-01-22
Disc recording and/or reproducing apparatus having control plates and space forming features Grant 6,654,319 - Watanabe , et al. November 25, 2	2003-11-25
Disc recording and/or reproducing apparatus and disc exchanging mechanism Grant 6,643,227 - Ishibashi November 4, 2	2003-11-04
Disc recording and/or reproducing device App 20030198147 - Watanabe, Tomohiro ; et al.	2003-10-23
NF3 treating process App 20020061269 - Ishibashi, Takayuki ; et al.	2002-05-23
Disc recording and/or reproducing apparatus and disc exchanging mechanism App 20020009021 - Ishibashi, Takayuki	2002-01-24
Nonexplosive chemical composition for gently breaking rock or concrete mass Grant 4,565,579 - Fujioka , et al. January 21, 1	1986-01-21

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