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Hitoshi Mukaiya

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.6

ph-index = 9

Forward Citations = 172(Granted Patents)

Location History:

Toda, JP (1992)
Saitama, JP (1988 - 1994)
Kanagawa-ken, JP (1998)
Yokohama, JP (1996 - 2001)
Tochigi, JP (2005)

Company Filing History:

16 out of 90,673

Canon Kabushiki Kaisha

Years Active: 1988-2005

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6853501 - Focusing method selectable zoom optical system (2005-02-08),

2. 6226130 - Zoom lens (2001-05-01),

3. 6178049 - Zoom lens (2001-01-23),

4. 5784205 - Zoom lens (1998-07-21),

5. 5754346 - Zoom lens (1998-05-19),

6. 5739961 - Zoom lens (1998-04-14),

7. 5712733 - Zoom lens of rear focus type (1998-01-27),

8. 5583697 - Rear-focus type zoom lens with movable second and fourth lens units for (1996-12-10),

9. 5337115 - Focus detecting device (1994-08-09),

10. 5146366 - Four-group zoom lens (1992-09-08),

11. 5056900 - Zoom lens (1991-10-15),

12. 5050972 - Zoom lens (1991-09-24),

13. 4934796 - Zoom lens (1990-06-19),

14. 4846563 - Compact zoom lens of large aperture ratio (1989-07-11),

15. 4812024 - Zoom lens (1989-03-14),

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