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For the Inventor, By the Inventor

Tokyo, Japan

Hidehiko Fujiwara

This inventor holds 42 USPTO granted patents and 5 published patent applications and 3 EPO patents, primarily in Image Processing Devices. Top assignees: Ricoh Company, Ltd., Nec Infrontia Corporation, Rioch Company, Limited. Active years: 1991-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidehiko Fujiwara. Retrieved from https://idiyas.com/inventor/hidehiko-fujiwara

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

USPTO Granted Patents = 42 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 220(Granted Patents)


Location History:

  • Yokohama, JP (1991)
  • Kanagawa, JP (2007 - 2015)
  • Tokyo, JP (2000 - 2022)

Company Filing History:

goldMedal35 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal6 out of 290 
 
Nec Infrontia Corporation
 patents
bronzeMedal1 out of 6 
 
Rioch Company, Limited
 patents

Years Active: 1991-2022

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Areas of Expertise:
Image Forming Apparatus
Sheet Processing Device
Fixing Device
Document Feeder
Paper Binding Device
Stacking Apparatus
Toner Fixing Device
Charging Brush Unit
Communication Transfer Method
Wireless LAN System
Sheet Material Supply
Positional Information Tracking
42 patents (USPTO):Explore Patents
1. 11442391 - Drive control device, driving device, sheet conveying device, and image forming apparatus (2022-09-13),
2. 10807827 - Stack limiting unit for sheet processing device (2020-10-20),
3. 10689221 - Sheet processing apparatus and image forming system (2020-06-23),
4. 10562733 - Sheet processing device including a staple binding unit and a stapleless binding unit and image forming system (2020-02-18),
5. 10513404 - Sheet-material supply device (2019-12-24),
6. 10384897 - Sheet-member separation device, sheet-member separation method, program, and image forming apparatus (2019-08-20),
7. 10097711 - Sheet processing device and image forming system (2018-10-09),
8. 10065824 - Stacking apparatus (2018-09-04),
9. 9944488 - Sheet processing apparatus and image forming system (2018-04-17),
10. 9725276 - Sheet processing device incuding a stacked-sheet-count limiting unit configured to limit the number of sheets holdable in the sheet tray and image forming system (2017-08-08),
11. 9440478 - Paper binding device, paper processing apparatus, image forming apparatus, and image forming system (2016-09-13),
12. 9162839 - Sheet processing apparatus and image forming system (2015-10-20),
13. 9143357 - Chat apparatus transmitting/receiving information indicating switching of chat (2015-09-22),
14. 9013763 - Image reading apparatus and image forming apparatus (2015-04-21),
15. 8950743 - Automatic document feeder, image reading device including the same, and image forming apparatus including the same (2015-02-10),

Title: Hidehiko Fujiwara: Pioneering Inventor from Tokyo

Introduction: Hidehiko Fujiwara is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hidehiko Fujiwara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Fujiwara has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

Collaborations: Throughout his career, Hidehiko Fujiwara has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hidehiko Fujiwara's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in Tokyo and beyond, leaving a lasting impact on the world of technology.

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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