Osaka, Japan

Shigekazu Yoshii

This inventor holds 19 USPTO granted patents, primarily in Infrared Absorbing Glass. Top assignees: Nippon Sheet Glass Company, Limited, Other. Active years: 1985-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigekazu Yoshii. Retrieved from https://idiyas.com/inventor/shigekazu-yoshii

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


% Patents Active = 47.4

Average Co-Inventor Count = 3.1

ph-index = 10

Forward Citations = 358(Granted Patents)


Location History:

  • Nishinomiya, JP (1985)
  • Osaka, JP (1998 - 2008)
  • Tokyo, JP (2009)

Company Filing History:

goldMedal19 out of 1,173 
 
Nippon Sheet Glass Company, Limited
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2009

Loading Chart...
Areas of Expertise:
Fluorescent Glass
Infrared Wavelength
Ultraviolet Absorbent
Low Transmittance
Heat-Resistant Glass
Glass Composition
Planar Lens
Fine Fibers
Medium Light Transmittance
Green Glass
Radiation Absorbing
Viscous Materials
19 patents (USPTO):Explore Patents

Title: **Innovations by Shigekazu Yoshii: A Pioneer in Glass Composition Patents**

Introduction

Shigekazu Yoshii, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of glass technology. With a remarkable portfolio of 19 patents, his work focuses primarily on creating innovative glass compositions with unique properties. His inventions have paved the way for advancements in various applications, particularly in optical technologies.

Latest Patents

Among his latest patents, Shigekazu Yoshii has developed a glass composition that emits fluorescence in the infrared wavelength region. This invention presents a glass composition incorporating bismuth oxide, silicon oxide, aluminum oxide, and a divalent metal oxide. When exposed to excitation light, it emits fluorescence in a wide wavelength range, making it valuable for various optical applications.

Another significant patent by Yoshii is the development of ultraviolet/infrared absorbent low transmittance glass. This glass is formulated with a specific range of base components, including silica and various metal oxides. The resultant glass exhibits a turquoise blue or deep green color and is designed to effectively absorb ultraviolet and infrared light, making it useful for protective applications.

Career Highlights

Throughout his career, Shigekazu Yoshii has worked with notable companies, including Nippon Sheet Glass Company, Limited, where he contributed to advancements in glass technology. His innovative spirit and dedication to research have earned him a place among leading inventors in his field.

Collaborations

Yoshii has had the privilege of collaborating with talented individuals like Hiromitsu Seto and Yukihito Nagashima. These partnerships have fostered an environment of creativity and innovation, allowing for the successful development of groundbreaking glass products.

Conclusion

In conclusion, Shigekazu Yoshii's contributions to the field of glass composition highlight his role as a leading inventor in Japan. His 19 patents reflect his ingenuity and commitment to innovation, particularly in developing materials with specialized optical properties. As advancements in technology continue, Yoshii's work will undoubtedly influence future developments in the glass industry.

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]
Loading…