Kanagawa, Japan

Issei Chiba

This inventor holds 18 USPTO granted patents, primarily in Light Source Technology. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Issei Chiba. Retrieved from https://idiyas.com/inventor/issei-chiba

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

Calculating rank

% Patents Active = 83.3

Average Co-Inventor Count = 2.3

ph-index = 10

Forward Citations = 451(Granted Patents)


Location History:

  • Kawasaki, JP (1992 - 2001)
  • Kanagawa, JP (2000 - 2008)

Company Filing History:


Years Active: 1992-2008

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Areas of Expertise:
Light Deflection Element
Planar Light Source
Light Source Device
Liquid Crystal Display
Sign Display Apparatus
Surface Light Source
Traffic Sign Display
Illumination Apparatus
Resin Sheet
Production Process
Surface Light Source Element
Laminate
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Issei Chiba

Introduction

Issei Chiba is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical technology, holding a total of 18 patents. His work primarily focuses on light deflection elements and light source apparatuses, showcasing his expertise in innovative lighting solutions.

Latest Patents

Chiba's latest patents include a light deflection element and a light source apparatus utilizing this technology. The surface light source apparatus features a primary light source and an optical guide designed to direct light emitted from the primary source. This system incorporates a light deflection element positioned adjacent to the optical guide's light outgoing surface, along with a light diffusion element. The design of the light incoming surface of the deflection element includes multiple prism strings arranged in parallel, with varying inclination angles to enhance light distribution. Another notable patent is a planar light source system that employs an LED as a primary light source, coupled with a light guide and a light deflecting device to control the emission direction of light.

Career Highlights

Issei Chiba is currently associated with Mitsubishi Rayon Company, Limited, where he continues to develop innovative optical technologies. His work has significantly impacted the industry, particularly in enhancing the efficiency and effectiveness of lighting systems.

Collaborations

Chiba has collaborated with notable colleagues such as Tomoyoshi Yamashita and Yasuko Hayashi, contributing to various projects that advance optical technology.

Conclusion

Issei Chiba's contributions to the field of optical technology through his patents and collaborations highlight his role as a leading inventor. His innovative designs continue to influence the development of advanced lighting solutions.

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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