Kawasaki, Japan

Masumi Osumi

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Kogaku K.k.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masumi Osumi. Retrieved from https://idiyas.com/inventor/masumi-osumi

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 = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Masumi Osumi: Innovator in Flash-Photography Technology

Introduction

Masumi Osumi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of photography, particularly in the area of flash-photography technology. His innovative approach has led to the development of a unique device that enhances the exposure properties in photography.

Latest Patents

Masumi Osumi holds a patent for an "Exposure Propriety Indicating Device for Flash-Photography." This device is constructed with a circuit that includes a film sensitivity signal generating circuit, an aperture value signal generating circuit, a comparison circuit for comparing signals generated by the two generating circuits, and an indicator circuit for indicating the result of such comparison. This invention is crucial for photographers seeking to optimize their flash exposure settings.

Career Highlights

Osumi is currently employed at Nippon Kogaku K.K., a company renowned for its advancements in optical technology. His work at this esteemed organization has allowed him to further develop his skills and contribute to innovative projects in the field of photography.

Collaborations

Masumi Osumi collaborates with Keno Okuno, a talented woman in the industry. Their partnership exemplifies the importance of teamwork in driving innovation and achieving technological advancements.

Conclusion

Masumi Osumi's contributions to flash-photography technology through his patented device demonstrate his commitment to innovation in the field. His work continues to influence photographers and enhance their creative capabilities.

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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