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For the Inventor, By the Inventor

Kakamigahara, Japan

Shigeharu Katayama

This inventor holds 52 USPTO granted patents, primarily in Image Forming Devices (CPC class G03G). Top assignees: Brother Industries, Ltd., Brother Kogyo Kabushiki-Kaisha, Brother Kogoy Kabushiki Kaisha. Active years: 1996-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeharu Katayama. Retrieved from https://idiyas.com/inventor/shigeharu-katayama

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

USPTO Granted Patents = 52

% Patents Active = 96.2

Average Co-Inventor Count = 2.2

ph-index = 18

Forward Citations = 766(Granted Patents)

Forward Citations (Not Self Cited) = 747(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kakamigamigahara, JP (2006)
  • Kagamihara, JP (2007 - 2008)
  • Kakamigahara, JP (1996 - 2015)
  • Nagoya, JP (2005 - 2017)
  • Kakamuhara, JP (2019)

Company Filing History:

goldMedal38 out of 997 
 
Brother Industries, Ltd.
 patents
silverMedal13 out of 17,880 
 
Brother Kogyo Kabushiki-Kaisha
 patents
bronzeMedal1 out of 2 
 
Brother Kogoy Kabushiki Kaisha
 patents
4. 1 out of 129 
 
Ricoh Printing Systems, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1996-2019

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Areas of Expertise:
Laser Marking Device
Image Forming Apparatus
Printer
Ink Cartridge
Toner Cartridge
Paper Feed
Combined Printer
Facsimile Machine
Paper Discharge Tray
Cartridge Loading Section
Image Reading Function
52 patents (USPTO):Explore Patents
1. D842711 - Laser marking device (2019-03-12),
2. 9746806 - Configuration for an image forming apparatus having an upright recording medium storage unit (2017-08-29),
3. 8977185 - Configuration for an image forming apparatus having an upright recording medium storage unit (2015-03-10),
4. 8600284 - Configuration for an image forming apparatus having an upright recording medium storage unit (2013-12-03),
5. 8200118 - Image-forming device and cover member therefor (2012-06-12),
6. D640737 - Printer for cloth (2011-06-28),
7. 7689158 - Image forming apparatus having image reading function (2010-03-30),
8. 7636528 - Image-forming device including image-forming section, paper supply unit, and discharge unit and ornamental member therefor (2009-12-22),
9. 7489888 - Image-forming apparatus including a cartridge loading section in communication with a cartridge opening (2009-02-10),
10. 7410313 - Image forming apparatus (2008-08-12),
11. D571395 - Printer (2008-06-17),
12. D565649 - Paper feed and discharge portion of a printer (2008-04-01),
13. D562885 - Printer (2008-02-26),
14. D562884 - Printer (2008-02-26),
15. 7252446 - Image forming apparatus (2007-08-07),

Title: The Innovative Journey of Shigeharu Katayama

Introduction: Shigeharu Katayama, a pioneering inventor hailing from Kakamigahara, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Shigeharu Katayama holds several patents in various fields, including technology, healthcare, and automotive industries, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Shigeharu Katayama has been recognized for his inventive spirit and problem-solving skills. His inventions have not only revolutionized existing technologies but have also paved the way for new advancements in the industry.

Collaborations: Shigeharu Katayama has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His collaborative efforts have resulted in the development of cutting-edge products and solutions that have had a lasting impact on society.

Conclusion: In conclusion, Shigeharu Katayama's relentless pursuit of innovation and his passion for creating solutions to complex problems have established him as a prominent figure in the world of inventions. His work continues to inspire future generations of inventors and innovators to push the boundaries of what is possible.

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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