Tomohiko Masuda

This inventor holds 35 USPTO granted patents, primarily in Optical Devices. Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Konica Minolta Business Technologies, Inc.. Active years: 1989-2016.

USPTO Granted Patents = 35

% Patents Active = 94.3

Average Co-Inventor Count = 4.0

ph-index = 9

Forward Citations = 203(Granted Patents)

Location History:

Hyogo, JP (1989)
Amagasaki, JP (1989)
Osaka, JP (1990 - 1994)
Takatuki, JP (1996)
Takatsuki, JP (1993 - 2002)
Otsu, JP (2000 - 2016)

Company Filing History:

19 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

12 out of 2,816

Minolta Company, Ltd.

patents

2 out of 2,526

Konica Minolta Business Technologies, Inc.

Minolta Camera Co., Ltd.

patents

Years Active: 1989-2016

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Areas of Expertise:

Light Shutter

Image Forming Apparatus

Optical Writing Device

Electro-Optical Shutter

Recording Apparatus

Projection Display

Optical Quantity Measurement

Light Signal Generation

Image Display Control

Optical Tip Array

Shutter Array

Light Emitting Arrays

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9316960 - Fixing device (2016-04-19),

2. 7853190 - Fixing device, carrying device and image forming apparatus (2010-12-14),

3. 7684743 - Fixing device (2010-03-23),

4. 6956595 - Light shutter device and a driving method thereof (2005-10-18),

5. 6661555 - Light shutter device (2003-12-09),

6. 6561703 - Light shutter device (2003-05-13),

7. 6469727 - Optical quantity measuring method and optical quantity measuring apparatus using same (2002-10-22),

8. 6441941 - Light shutter device (2002-08-27),

9. 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),

10. 6177966 - Image display having control system for periodically effecting a change of position of virtual image (2001-01-23),

11. 6124872 - Optical writing device with controlled driving voltages (2000-09-26),

12. 6084657 - Optical shutter device (2000-07-04),

13. 5930021 - Optical shutter element drive mechanism (1999-07-27),

14. 5923355 - Optical writing device (1999-07-13),

15. 5872587 - Light signal generating device with reduced light leakage (1999-02-16),

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