Osaka, Japan

Kazuhisa Hirahara

This inventor holds 21 USPTO granted patents and 5 published patent applications and 5 EPO patents, primarily in Image Forming Technology. Top assignee: Kyocera Document Solutions Inc.. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhisa Hirahara. Retrieved from https://idiyas.com/inventor/kazuhisa-hirahara

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

Calculating rank
USPTO Granted Patents = 21 

% Patents Active = 85.7

 

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Image Forming Apparatus
Belt Conveyance
Optical Scanning
Image Quality
Sheet Feeding
Grounding Structure
Cleaning Mechanism
Recording Medium
Posture Adjustment
Electronic Device
Paper Size Detection
Auxiliary Restricting Member
21 patents (USPTO):Explore Patents

Title: Kazuhisa Hirahara: Innovator from Osaka

Introduction

Kazuhisa Hirahara, an esteemed inventor based in Osaka, Japan, is recognized for his remarkable contributions to the field of technology. With a total of 15 patents to his name, he has made significant strides in developing advanced apparatus for image reading and belt assembly methods.

Latest Patents

Hirahara's latest inventions include two pertinent patents. The first, titled "Image reading apparatus with posture adjustment portion and stimulus output portion," describes an image forming apparatus that features a photoelectric conversion section capable of receiving light reflected by a document and outputting an electric signal. This invention includes a posture adjustment mechanism that allows for the rotation of components based on the operation of a shaft, enhancing usability by providing stimuli to the operator at specific rotation angles.

The second patent, "Belt unit and method for assembling belt unit," details a versatile belt unit designed with an endless belt, multiple stretching rollers, and side frames, all of which work in harmony to facilitate efficient assembly. The innovation introduces engagement grooves that ensure proper alignment of the components during assembly, streamlining the process.

Career Highlights

Kazuhisa Hirahara has made his mark at Kyocera Document Solutions Inc., where he engages in cutting-edge research and development. His work has not only expanded the company’s patent portfolio but has also contributed to the advancement of document processing technologies, underscoring his role as a pivotal figure in this domain.

Collaborations

Throughout his career, Hirahara has collaborated with talented coworkers, including Kenichiro Kawasaki and Takeshi Marumoto. These partnerships have fostered a creative environment, leading to shared innovations and advancements in technology.

Conclusion

Kazuhisa Hirahara embodies the spirit of innovation through his significant contributions to technology and patent creation. His ongoing work at Kyocera Document Solutions Inc. promises to lead to further advancements in the field, making a lasting impact on 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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