Yokohama, Japan

Masao Kono

This inventor holds 6 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1979-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Kono. Retrieved from https://idiyas.com/inventor/masao-kono-gohde6o9

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 60(Granted Patents)


Location History:

  • Tokyo, JP (1980)
  • Kawasaki, JP (1980)
  • Yokohama, JP (1979 - 1983)

Company Filing History:


Years Active: 1979-1983

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masao Kono

Introduction: Masao Kono, an inventor based in Yokohama, Japan, has made significant contributions to the field of copying technology. With a portfolio of six patents, Kono’s innovations focus on enhancing the efficiency and functionality of copying apparatuses. His work reflects a deep understanding of the interplay between optical imaging and mechanical operation, showcasing his expertise as an inventor.

Latest Patents: Among Kono's latest patents is a method for effecting registration in copying apparatuses that feature a magnification ratio varying device. This invention addresses the need to align the image of an original document accurately with the corresponding section of a photosensitive or transfer-printing sheet. By employing a system that varies the timing of registration based on the selected magnification ratio, Kono’s design enhances precision in the copying process. This method ensures that the exposure of the photosensitive member occurs optimally in relation to the original’s scanning velocity, contributing to higher quality copies.

Career Highlights: Masao Kono is currently associated with Ricoh Company, Ltd., a notable player in the imaging technology industry. His career at Ricoh, marked by innovation and technical advancement, underscores the company's commitment to developing cutting-edge copying solutions. Kono’s patents not only reflect his inventive spirit but also contribute to Ricoh’s reputation for excellence in image processing technologies.

Collaborations: Throughout his career, Kono has collaborated with notable colleagues such as Tatsuo Tani and Toshiyuki Ogawa. Their teamwork has likely played a crucial role in refining the technologies and methods introduced in his patents. Such collaborations in a research-intensive environment like Ricoh foster a culture of innovation, leading to the ongoing development of effective copying solutions.

Conclusion: Masao Kono stands out as a prominent inventor in the domain of copying technologies. His six patented innovations significantly contribute to improving the accuracy and efficiency of copying apparatuses. Through his work at Ricoh Company, Ltd. and collaborative efforts with skilled coworkers, Kono continues to shape the landscape of imaging technology, ensuring that advancements align with the evolving needs of consumers and businesses alike.

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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