Kanagawa, Japan

Masami Ohyama

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Ohyama. Retrieved from https://idiyas.com/inventor/masami-ohyama-qm2alpmo

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: The Innovations of Masami Ohyama: A Pioneer in Electrophotographic Processes

Introduction: Masami Ohyama, an inventive mind based in Kanagawa, Japan, has made significant contributions to the field of electrophotography. With a keen focus on creating advanced imaging processes, Ohyama holds a notable patent that showcases her ingenuity and expertise.

Latest Patents: Ohyama's patent, titled "Electrophotographic process using melted developer," introduces an innovative approach to electrophotographic processes. This invention utilizes a developer in which the colorant is dispersed in an electrically insulating organic material that remains solid at room temperature but liquefies when heated. The developer enhances ease of handling and consistently produces stable images. The process involves wet developing an electrostatic latent image with the developed material, which is then transferred to a substrate for recording and preserving the image. This technique can either utilize contact transfer with a photoconductor or by peeling a film from it, indicating a versatile methodology in the realm of imaging technologies.

Career Highlights: Masami Ohyama is currently employed at Sony Corporation, a renowned leader in technology and innovation. Her work within this prestigious company highlights her commitment to advancing imaging technologies and capturing high-quality visuals.

Collaborations: During her career, Ohyama has collaborated with esteemed colleagues, including Haruo Watanabe and Akio Yasuda. These partnerships reflect a shared vision for pushing the boundaries of technology and contributing to innovative solutions in the field of photography.

Conclusion: Masami Ohyama's contributions to the field of electrophotography exemplify the spirit of innovation that drives the industry forward. Her patent on the electrophotographic process using a melted developer not only enhances the quality of images produced but also simplifies the handling of materials involved. As part of Sony Corporation, Ohyama continues to inspire future generations of inventors and innovators in her quest for excellence.

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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