Hiroyuki Okada

This inventor holds 58 USPTO granted patents, primarily in Image Processing Systems (CPC class 3542). Top assignees: Minolta Company, Ltd., Minolta Camera Kabushiki Kaisha, Matsushita Electronics Corporation. Active years: 1991-2016.

USPTO Granted Patents = 58

% Patents Active = 86.2

Average Co-Inventor Count = 2.2

ph-index = 15

Forward Citations = 868(Granted Patents)

Forward Citations (Not Self Cited) = 858(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Osaka, JP (1991 - 1999)
Sakai, JP (1992 - 2000)
Ishikawa-ken, JP (2000)
Izumi, JP (1998 - 2010)
Hyogo, JP (2005 - 2016)

Company Filing History:

28 out of 2,816

Minolta Company, Ltd.

patents

20 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

4 out of 655

Matsushita Electronics Corporation

patents

4. 3 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

5. 2 out of 81

Konica Minolta Photo Imaging, Inc.

patents

6. 1 out of 30

Nihon Yamamura Glass Co., Ltd.

patents

Years Active: 1991-2016

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Areas of Expertise:

Image Processing

Digital Camera

Piezoelectric Actuator

PWM Signal Control

Camera Systems

Electromechanical Transducer

Solid-State Devices

Insulating Layer

Shake Detecting Apparatus

Driving Controller

Display Device

Three-Dimensional Input

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9352998 - Insulating layer forming material, insulating layer forming paste (2016-05-31),

2. 7747148 - Shake detecting apparatus, shake correcting apparatus and image pickup apparatus (2010-06-29),

3. 7599201 - Method of controlling the duty of a PWM signal, PWM signal generating circuit, and image forming apparatus using same (2009-10-06),

4. 7492398 - Three-dimensional input apparatus and image sensing control method (2009-02-17),

5. 7446811 - Driving controller and method for driving plural driving units and image sensing apparatus (2008-11-04),

6. 7349022 - Image shift correcting device, image capturing device, and digital camera using same (2008-03-25),

7. 7075210 - Discharging circuit for a piezoelectric device (2006-07-11),

8. 6977683 - Digital camera (2005-12-20),

9. 6941401 - Information processing apparatus and for-use-on-main-apparatus-body identifier production method therefor (2005-09-06),

10. 6906751 - Digital camera and control method thereof (2005-06-14),

11. 6876126 - Piezoelectric actuator (2005-04-05),

12. 6727954 - Electronic camera and image processing system (2004-04-27),

13. 6703762 - Actuator and driving apparatus thereof (2004-03-09),

14. 6512321 - Driving apparatus and method of using same (2003-01-28),

15. 6483226 - Impact actuator and equipment using the impact actuator (2002-11-19),