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For the Inventor, By the Inventor

Sakai, Japan

Akihito Ikegawa

This inventor holds 59 USPTO granted patents, primarily in Image Display Technology (CPC class 3552). Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Toeisangyo Co., Ltd.. Active years: 1988-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihito Ikegawa. Retrieved from https://idiyas.com/inventor/akihito-ikegawa

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

USPTO Granted Patents = 59

% Patents Active = 93.2

Average Co-Inventor Count = 3.0

ph-index = 13

Forward Citations = 560(Granted Patents)

Forward Citations (Not Self Cited) = 533(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Osaka, JP (1989 - 1999)
  • Sakai, JP (1988 - 2009)

Company Filing History:

goldMedal34 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal25 out of 2,816 
 
Minolta Company, Ltd.
 patents
bronzeMedal2 out of 2 
 
Toeisangyo Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-2009

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Areas of Expertise:
Reversible Image Display
Image Forming Apparatus
Electrostatic Recording
Charging Device
Electrophotographic
Image Display Medium
Ink Image Transfer
Developing Apparatus
Contact Charging
High Resolution Display
Photosensitive Member
Surface Shaving Member
59 patents (USPTO):Explore Patents
1. 7604706 - Method for producing resin-molded substrate and method for producing reversible image display medium (2009-10-20),
2. 7436379 - Reversible image display medium (2008-10-14),
3. 6922204 - Image display medium and image recording apparatus (2005-07-26),
4. 6900789 - Reversible image display medium (2005-05-31),
5. 6881307 - Image creating apparatus and image recording apparatus (2005-04-19),
6. 6862016 - Image displaying method and image forming apparatus utilizing a reversible image display medium having a high resolution image display (2005-03-01),
7. 6768889 - Method and apparatus for forming an image on display medium (2004-07-27),
8. 6686940 - Reversible image display medium (2004-02-03),
9. 6115573 - Image forming apparatus and method using a developing device relating to (2000-09-05),
10. 5995787 - Image forming apparatus and image forming method (1999-11-30),
11. 5930565 - Image forming apparatus (1999-07-27),
12. 5881343 - Charging method and charging device (1999-03-09),
13. 5870129 - Image forming method and apparatus transferring an ink image (1999-02-09),
14. 5862443 - Electrostatic recording apparatus having a floating electrode on a (1999-01-19),
15. 5860046 - Charging method and charging device (1999-01-12),

Title: Akihito Ikegawa: A Visionary Inventor Pushing Technological Boundaries

Introduction:

Akihito Ikegawa, hailing from Sakai, JP, is a visionary inventor whose relentless pursuit of innovation has solidified his position as a true trailblazer in the world of inventors. With an impressive 59 patents to his name, Ikegawa's dedication to pushing the boundaries of technology continues to inspire future generations of innovators worldwide.

Latest Patents:

Among his latest patents is a groundbreaking "Method for producing resin-molded substrate and method for producing reversible image display medium." This innovative method involves forming a reversible image display medium by utilizing dry developer particles and unique substrate properties to create high-quality, reusable images.

Career Highlights:

Throughout his illustrious career, Akihito Ikegawa has made significant contributions to the field of technology while working at Minolta Company, Ltd. His innovative spirit and dedication to excellence have led to the development of pioneering solutions that have redefined traditional methods in the industry.

Collaborations:

Ikegawa has collaborated with esteemed colleagues such as Hiroshi Mizuno and Masaki Asano, pooling their expertise to drive forward groundbreaking projects and create innovative solutions that have left a lasting impact on the field of technology.

Conclusion:

In conclusion, Akihito Ikegawa's visionary approach to innovation and his unwavering dedication to pushing the boundaries of technology make him a true pioneer in the world of inventors. His continued contributions to the field serve as a beacon of inspiration for future generations, setting a high standard for excellence and innovation in the ever-evolving tech landscape.

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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