Ichiro Kasai

This inventor holds 30 USPTO granted patents. Top assignees: Minolta Company, Ltd., Minolta Camera Kabushiki Kaisha, Konica Minolta Photo Imaging, Inc.. Active years: 1990-2011.

USPTO Granted Patents = 30

% Patents Active = 90.0

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 361(Granted Patents)

Location History:

Osaka, JP (1990 - 1992)
Sakai, JP (1993 - 1999)
Kawachinagano, JP (2000 - 2006)
Toyonaka, JP (2004 - 2011)

Company Filing History:

23 out of 2,816

Minolta Company, Ltd.

patents

4 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

2 out of 81

Konica Minolta Photo Imaging, Inc.

patents

4. 1 out of 713

Konica-Minolta Holdings, Inc.

patents

Years Active: 1990-2011

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30 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7898502 - Image display apparatus and head-mounted display (2011-03-01),

2. 7835050 - Optical holographic device with a hologram optical element on an area smaller than an irradiation area, holographic image display device and head mounted display with a hologram optical element on an area smaller than an irradiation area (2010-11-16),

3. 7468843 - Optical system and display apparatus (2008-12-23),

4. 7460286 - Method for producing an optical device, optical device, image display apparatus, and head-mounted display (2008-12-02),

5. 7136228 - Optical system and display apparatus (2006-11-14),

6. 7019798 - Display device (2006-03-28),

7. 7019715 - Head-mounted image display apparatus (2006-03-28),

8. 6937209 - Image display system (2005-08-30),

9. 6919976 - Information display device (2005-07-19),

10. 6914726 - Optical apparatus and viewing optical system thereof which is capable of displaying information (2005-07-05),

11. 6885484 - Optical system and method for fabricating a holographic optical element (2005-04-26),

12. 6816132 - Image display apparatus (2004-11-09),

13. 6771403 - Image display apparatus (2004-08-03),

14. 6657602 - Image display apparatus (2003-12-02),

15. 6447122 - Projection image display device using a reflective type display element (2002-09-10),

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