Kanagawa, Japan

Kazushige Kawamura

This inventor holds 24 USPTO granted patents and 4 EPO patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Chiyoda Corporation, Fuji Photo Film Company, Limited. Active years: 1989-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazushige Kawamura. Retrieved from https://idiyas.com/inventor/kazushige-kawamura

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


% Patents Active = 62.5


Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 167(Granted Patents)


Location History:

  • Kaiseimachi, JP (2007)
  • Tokyo, JP (2012)
  • Sagamihara, JP (2012 - 2013)
  • Yokohama, JP (1998 - 2017)
  • Kanagawa, JP (1989 - 2018)

Company Filing History:


Years Active: 1989-2018

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Areas of Expertise:
Image Forming Apparatus
Document Feeding Device
Image Scanner
Desulfurization Method
Exhaust Gas Treatment
Carbon-Based Catalyst
Optical Scanning Unit
Droplet Ejection Head
Image Signal Processing
Compact Image Forming
Toner Structures
Inkjet Recording Apparatus
24 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Kazushige Kawamura

Introduction: Kazushige Kawamura, an esteemed inventor based in Kanagawa, Japan, has made significant contributions to the fields of imaging technology and document handling. With a remarkable portfolio of 24 patents, his work reflects a deep understanding of both practicality and innovation in design.

Latest Patents: Among his latest patents, the light irradiation device showcases a sophisticated integration of components aimed at enhancing light dispersion for imaging applications. The device consists of a light source, light guide member, and a holding member. The light guide member features an elongated incident surface, strategically designed to align with the light emitting surface of the light source. Additionally, his patent for the automatic document feeding device highlights a novel approach to document management, including a rotatable document tray with dual positioners that improve efficiency in document handling.

Career Highlights: Kazushige Kawamura has lent his expertise to renowned companies, including Ricoh Company, Ltd. and Chiyoda Corporation. His roles at these organizations allowed him to spearhead innovative projects that have promoted advancements in imaging and document technology.

Collaborations: Throughout his career, Kawamura has collaborated with notable individuals such as Takayuki Andoh and Yasunobu Youda. These partnerships have fostered a creative environment that encourages the exchange of ideas and has led to the successful development of new technologies.

Conclusion: Kazushige Kawamura stands out as a prolific inventor whose contributions to technology have significant implications in the arena of imaging and document processing. His continuous pursuit of innovation underscores the importance of research and development in creating practical solutions that enhance everyday operations.

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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