Kanagawa, Japan

Ryohei Yoshikawa

This inventor holds 23 USPTO granted patents and 9 published patent applications and 6 EPO patents, primarily in Image Forming Apparatus. Top assignees: Fujifilm Business Innovation Corp., Fuji Xerox Co., Ltd.. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryohei Yoshikawa. Retrieved from https://idiyas.com/inventor/ryohei-yoshikawa

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 95.7

 

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2020-2026

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Areas of Expertise:
Fixing Device
Sliding Member
Image Forming Apparatus
Polymer Film
Resin Belt
Endless Belt
Fixing Belt
Talc Particles
Graphite Particles
Rotational Torque
Polyimide Layer
Fibrous Carbons
23 patents (USPTO):Explore Patents

Title: Ryohei Yoshikawa: Innovator in Imaging Technology

Introduction

Ryohei Yoshikawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of imaging technology, holding a total of 17 patents. His innovative work has had a lasting impact on the industry.

Latest Patents

Yoshikawa's latest patents include advancements in resin belts, fixing belts, fixing devices, and image forming apparatuses. One of his notable inventions is a resin belt that contains a resin, a low-melting-point alloy with a melting point of 370° C. or lower, and a fibrous filler. Another significant patent involves an endless belt that comprises a resin, a filler A with an aspect ratio of 5 or more, and two or more fillers B with an aspect ratio of less than 5. This invention features a volume-based particle size distribution of the fillers B that has two or more peaks, with specific particle size ratios.

Career Highlights

Throughout his career, Ryohei Yoshikawa has worked with leading companies in the imaging sector, including Fujifilm Business Innovation Corporation and Fuji Xerox Co., Ltd. His expertise and innovative spirit have driven advancements in imaging technology.

Collaborations

Yoshikawa has collaborated with notable colleagues such as Tomotake Inagaki and Kenji Kajiwara. These partnerships have further enhanced his contributions to the field.

Conclusion

Ryohei Yoshikawa's work in imaging technology exemplifies innovation and dedication. His numerous patents and collaborations highlight his significant role in advancing the industry.

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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