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Hitachinaka, Japan

Kouji Arikawa

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 18(Granted Patents)

Location History:

Katsuta, JP (1993)
Hitachinaka, JP (2001 - 2005)
Tokyo, JP (2005 - 2007)

Company Filing History:

8 out of 42,526

Years Active: 1993-2007

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7209416 - Method and apparatus for optical head and optical information reproducing (2007-04-24),

2. 6967919 - Method and apparatus for optical head and optical information reproducing (2005-11-22),

3. 6947367 - Single means for converting beam widths of plural laser beams with different entry and exit angle with offset (2005-09-20),

4. 6778486 - Laser module, optical head and optical information recording and reproducing apparatus (2004-08-17),

5. 6714506 - Method and apparatus for optical head and optical information reproducing (2004-03-30),

6. 6396790 - Optical head and information recording and reproducing apparatus using it (2002-05-28),

7. 6298028 - Optical head and information recording and reproducing apparatus using it (2001-10-02),

8. 5239434 - Magnetic head, bonding glass used therefor and magnetic recording and (1993-08-24),

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