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For the Inventor, By the Inventor

Sakai, Japan

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.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Okada. Retrieved from https://idiyas.com/inventor/hiroyuki-okada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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:

goldMedal28 out of 2,816 
 
Minolta Company, Ltd.
 patents
silverMedal20 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
bronzeMedal4 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):Explore 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),

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Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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