Ken Matsubara

This inventor holds 31 USPTO granted patents. Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Minolta Camera Co., Ltd.. Active years: 1989-2005.

USPTO Granted Patents = 31

% Patents Active = 96.8

Average Co-Inventor Count = 4.2

ph-index = 8

Forward Citations = 200(Granted Patents)

Location History:

Osaka, JP (1989 - 1994)
Takatsuki, JP (1989 - 2005)

Company Filing History:

20 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

10 out of 2,816

Minolta Company, Ltd.

patents

1 out of 76

Minolta Camera Co., Ltd.

patents

Years Active: 1989-2005

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Areas of Expertise:

Light Shutter Device

Image Forming Apparatus

Optical Writing Device

Vibrating Mirror Display

Electro-Optical Light Shutter

Light Signal Generating Device

Recording Apparatus

Color Sensing Method

Voltage Applying Apparatus

Optical Tip Array

Image Display Device

Light Printer

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6956595 - Light shutter device and a driving method thereof (2005-10-18),

2. 6661555 - Light shutter device (2003-12-09),

3. 6441941 - Light shutter device (2002-08-27),

4. 6278474 - Image forming apparatus provided with a plurality of light signal emitting heads (2001-08-21),

5. 6201559 - Method for measuring the quantity of light emergent from an optical tip array and image forming apparatus provided with an optical tip array (2001-03-13),

6. 6163203 - Voltage applying apparatus facilitating adjustment of a driving voltage (2000-12-19),

7. 6124872 - Optical writing device with controlled driving voltages (2000-09-26),

8. 5982525 - Image display device using vibrating mirror (1999-11-09),

9. 5930021 - Optical shutter element drive mechanism (1999-07-27),

10. 5671076 - Image display device using vibrating mirror (1997-09-23),

11. 5450230 - Light shutter array with a substantially even distribution transmitted (1995-09-12),

12. 5325228 - Optical shutter device (1994-06-28),

13. 5317347 - Image forming apparatus (1994-05-31),

14. 5293203 - Image forming apparatus having a movable sheet receiving tray (1994-03-08),

15. 5247387 - Method and device for driving electro-optical light shutter (1993-09-21),

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