Senga; Hisashi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Senga; Hisashi.The latest application filed is for "optical pickup and optical disc device".

Company Profile

0.9.14

Senga; Hisashi - Osaka JP
Senga; Hisashi - Kadoma city JP
Senga; Hisashi - Kadoma JP
Senga; Hisashi - Neyagawa JP
Senga; Hisashi - Kadoma-shi JP
Senga, Hisashi - Neyagawa-shi 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
Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuit Grant 8,036,254 - Ishibashi , et al. October 11, 2	2011-10-11
Optical Pickup And Optical Disc Device App 20100149949 - Senga; Hisashi ; et al.	2010-06-17
Semiconductor Laser Driving Circuit, And Optical Disc Device And Integrated Circuit Provided With Semiconductor Laser Driving Circuit App 20100142336 - Ishibashi; Kenzo ; et al.	2010-06-10
Optical pickup and optical disc device Grant 7,697,400 - Senga , et al. April 13, 2	2010-04-13
Laser Driving Device App 20090074018 - Senga; Hisashi ; et al.	2009-03-19
Optical Pickup And Optical Disc Device App 20090052492 - Senga; Hisashi ; et al.	2009-02-26
Optical recording/reproducing apparatus with transmission amount variation unit Grant 7,492,693 - Matsumoto , et al. February 17, 2	2009-02-17
Laser Driving Device, Optical Head Incorporating Laser Driving Device, and Optical Disk Apparatus App 20090040904 - Matsumoto; Toshio ; et al.	2009-02-12
Laser control unit, laser control circuit, and laser-power adjustment method Grant 7,366,080 - Senga , et al. April 29, 2	2008-04-29
Method and apparatus for controlling laser power using a test light emission pattern having a multipulse light emission interval Grant 7,310,293 - Senga , et al. December 18, 2	2007-12-18
Optical disc drive for controlling laser emission Grant 7,177,253 - Ishibashi , et al. February 13, 2	2007-02-13
Driving method and driving circuit of light source apparatus Grant 7,085,297 - Senga , et al. August 1, 2	2006-08-01
Light source apparatus and its control method Grant 7,010,006 - Kasazumi , et al. March 7, 2	2006-03-07
Optical recording/reproducing apparatus App 20060018236 - Matsumoto; Toshio ; et al.	2006-01-26
Optical disc drive App 20050254403 - Ishibashi, Hiromichi ; et al.	2005-11-17
Laser control unit, laser control circuit, and laser-power adjustment method App 20050105569 - Senga, Hisashi ; et al.	2005-05-19
Laser driving device App 20050069002 - Senga, Hisashi ; et al.	2005-03-31
Driving method and driving circuit of light source apparatus App 20040264525 - Senga, Hisashi ; et al.	2004-12-30
Method and apparatus for controlling laser power App 20040257940 - Senga, Hisashi ; et al.	2004-12-23
Light source apparatus and its control method App 20040066807 - Kasazumi, Ken?apos;ichi ; et al.	2004-04-08
Laser drive method and laser drive system Grant 6,642,952 - Furumiya , et al. November 4, 2	2003-11-04
Optical disc and a reproduction method, reproduction apparatus, and recording apparatus for the same App 20030185128 - Shoji, Mamoru ; et al.	2003-10-02
Laser drive method and laser drive system App 20020044197 - Furumiya, Shigeru ; et al.	2002-04-18

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