Akasaka; Hideki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Akasaka; Hideki.The latest application filed is for "overwrite capable magnetooptial recording apparatus".

Company Profile

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Akasaka; Hideki - Yokohama JP
Akasaka; Hideki - Kamagaya JP
Akasaka; Hideki - Kawasaki 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
Overwrite capable magnetooptial recording apparatus Grant 5,475,657 - Sato , et al. December 12, 1	1995-12-12
Multilayered magnetooptical recording medium Grant 5,458,987 - Sato , et al. October 17, 1	1995-10-17
Over-write capable magnetooptical recording medium having C/N ratio exceeding 53 dB Grant 5,389,455 - Saito , et al. February 14, 1	1995-02-14
Optical integrated device for magneto-optical reproducing head Grant 5,293,291 - Ohki , et al. March 8, 1	1994-03-08
Over write capable magnetooptical recording method, and magnetooptical recording apparatus and medium used therefor Grant 5,239,524 - Sato , et al. August 24, 1	1993-08-24
Optical waveguide device for polarization rotation Grant 5,140,654 - Akasaka , et al. August 18, 1	1992-08-18
Over write capable magnetooptical recording method using two beams, and magnetooptical recording apparatus therefor Grant 5,014,252 - Akasaka , et al. May 7, 1	1991-05-07
Over write capable magnetooptical recording method using two beams, and magnetooptical recording apparatus therefor Grant 4,855,975 - Akasaka , et al. August 8, 1	1989-08-08
All solid type electrochromic display element Grant 4,433,901 - Takahashi , et al. February 28, 1	1984-02-28
All solid state electrochromic device Grant 4,350,414 - Takahashi , et al. September 21, 1	1982-09-21
Electrochromic element Grant 4,135,790 - Takahashi , et al. January 23, 1	1979-01-23
Multilayer anti-reflection film for ultraviolet rays Grant 3,936,136 - Ikeda , et al. February 3, 1	1976-02-03

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