Nara, Japan

Tsunemi Yoshino

This inventor holds 21 USPTO granted patents and 2 published patent applications, primarily in Camera Technology. Top assignees: West Electric Co., Ltd., Panasonic Intellectual Property Management Co., Ltd.. Active years: 1978-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunemi Yoshino. Retrieved from https://idiyas.com/inventor/tsunemi-yoshino

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

USPTO Granted Patents = 21 

% Patents Active = 95.2

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 271(Granted Patents)


Location History:

  • Ibaraki, JA (1978)
  • Ibaraki, JP (1982 - 1984)
  • Nara, JP (1984 - 2015)

Company Filing History:


Years Active: 1978-2015

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Areas of Expertise:
Light Emitting Element
Illuminating Apparatus
Film Winding System
Motor-Driven Film Winder
Lens Barrel Drive
Automatic Focusing
Optical Distance Meter
Stepping Motor
Photographic Equipment
Aperture Control
Focus State Indicator
Film Transport Device
21 patents (USPTO):Explore Patents

Title: Innovations of Tsunemi Yoshino: A Pioneer in Light Emitting Technology

Introduction: Tsunemi Yoshino, an innovative inventor based in Nara, Japan, has made significant contributions to the field of light emitting technologies. With a portfolio that boasts 21 patents, his work exemplifies the spirit of innovation and technological advancement.

Latest Patents: Among his latest patents, Yoshino has developed a "Light Emitting Element Drive Device" and an "Illuminating Apparatus". The light emitting element drive device integrates a light emitting element with a drive unit, electricity storage element, battery power supply, and a boost chopper circuit. This device is designed to efficiently manage the power supplied to light sources, featuring three operational states for optimal performance. The illuminating apparatus, on the other hand, is crafted for viewing films by transmitted light, featuring a compact design with uniform light distribution enabled by strategically placed light sources and reflecting members.

Career Highlights: Yoshino has been associated with notable companies, including West Electric Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His work in these organizations has allowed him to advance his research and development efforts significantly.

Collaborations: Over his career, Tsunemi Yoshino has collaborated with esteemed colleagues such as Hiroshi Iwata and Akitoshi Morioka. These partnerships showcase the synergy of ideas and creativity that drive innovation in their field.

Conclusion: Tsunemi Yoshino's contributions to light emitting technologies and his impressive patent portfolio underscore his status as a leading inventor. His innovative spirit has not only advanced technological understanding but also paved the way for future developments in the field.

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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