Yokohama, Japan

Masayuki Ohtani

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 1994-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Ohtani. Retrieved from https://idiyas.com/inventor/masayuki-ohtani

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


% Patents Active = 100.0


Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 39(Granted Patents)


Location History:

  • Yokohama, JP (1994 - 1997)
  • Kanagawa, JP (2009)

Company Filing History:


Years Active: 1994-2009

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3 patents (USPTO):Explore Patents

Title: The Innovations of Masayuki Ohtani

Introduction

Masayuki Ohtani is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of technology, particularly in power storage devices and digital copiers. With a total of 3 patents to his name, Ohtani continues to push the boundaries of innovation.

Latest Patents

One of Ohtani's latest patents is a power storage device that incorporates an alternating current (AC) power source, a field effect transistor (FET), a capacitor bank, a direct current (DC) fixing heater, a step-down chopper circuit, and an output control unit. This device is designed to efficiently manage power supply by switching between paths to optimize energy usage. Another significant patent is a control method for a digital copier in a two-sided document copy mode. This innovation allows for the efficient operation of digital copiers by enabling the simultaneous reading and printing of both sides of a document, thus reducing overall time loss during the copying process.

Career Highlights

Masayuki Ohtani is currently employed at Ricoh Company, Ltd., where he applies his expertise in developing advanced technologies. His work has been instrumental in enhancing the functionality and efficiency of Ricoh's products.

Collaborations

Ohtani has collaborated with notable coworkers such as Tsukuru Kai and Takaaki Yanagisawa, contributing to various innovative projects within the company.

Conclusion

Masayuki Ohtani's contributions to technology through his patents and work at Ricoh Company, Ltd. highlight his role as a key innovator in the field. His inventions continue to influence the efficiency of power storage and digital copying technologies.

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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