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For the Inventor, By the Inventor

Tokyo, Japan

Kazutaka Hayashi

This inventor holds 22 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Optical Glass Technology. Top assignees: Hoya Corporation, Asahi Glass Company, Limited. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Hayashi. Retrieved from https://idiyas.com/inventor/kazutaka-hayashi

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

USPTO Granted Patents = 22 

% Patents Active = 50.0

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 191(Granted Patents)


Location History:

  • Akishima, JP (2006 - 2011)
  • Yokohama, JP (2009 - 2013)
  • Chiyoda-ku, JP (2011 - 2014)
  • Tokyo, JP (2004 - 2015)

Company Filing History:

goldMedal16 out of 2,566 
 
Hoya Corporation
 patents
silverMedal6 out of 2,560 
 
Asahi Glass Company, Limited
 patents

Years Active: 2004-2015

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Areas of Expertise:
Optical Glass
Translucent Substrate
Manufacturing Process
Display Device
Organic LED
Lens Production
Precision Press-Molding
Chemically Tempered Glass
Glass Molded Article
Aspherical Lens
22 patents (USPTO):Explore Patents
1. 9060435 - Glass plate for display device, plate glass for display device and production process thereof (2015-06-16),
2. 8715829 - Glass plate for display devices (2014-05-06),
3. 8431943 - Light transmitting substrate, method for manufacturing light transmitting substrate, organic LED element and method for manufacturing organic LED element (2013-04-30),
4. 8427045 - Translucent substrate, process for producing the same, organic LED element and process for producing the same (2013-04-23),
5. 8357624 - Lens and process for the production thereof (2013-01-22),
6. 8349455 - Glass and chemically tempered glass (2013-01-08),
7. 8336332 - Process for the production of glass molded article, optical element produced by the process, and method of treating glass (2012-12-25),
8. 8018140 - Translucent substrate, process for producing the same, organic LED element and process for producing the same (2011-09-13),
9. 7955998 - Optical glass, precision press-molding and process for the production thereof, and optical element and process for the production thereof (2011-06-07),
10. 7932197 - Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof (2011-04-26),
11. 7655585 - Optical glass, precision press-molding preform, process for the production thereof, optical element and process for the production of the element (2010-02-02),
12. 7622409 - Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof (2009-11-24),
13. 7576020 - Optical glass, precision press-molding preform, process for the production of the preform, optical element and process for the production of the optical element (2009-08-18),
14. 7560405 - Optical glass for precision press molding, preform for precision press molding, and process for the production thereof (2009-07-14),
15. 7502175 - Aspherical lens and process for the production thereof (2009-03-10),

Title: Kazutaka Hayashi: Innovator in Display Technology

Introduction

Kazutaka Hayashi, based in Tokyo, Japan, is a notable inventor with a remarkable portfolio of 22 patents. His groundbreaking work primarily focuses on advancements in glass technology for display devices. With a deep commitment to innovation, Hayashi has significantly contributed to the development of materials that enhance the functionality and durability of display technologies.

Latest Patents

Among Kazutaka Hayashi's latest patents are two significant inventions: the "Glass Plate for Display Device" and "Plate Glass for Display Device and Production Process Thereof." The latter patent describes a process for producing a plate glass for display devices with a thickness of at most 1.5 mm by utilizing a float process. This invention achieves a specific composition, ensuring high quality and strength by adjusting the molecular percentages of various oxides like SiO2, Al2O3, Na2O, K2O, MgO, and ZrO2. His glass plate invention focuses on increasing the depth of a compression stress layer through chemical tempering while maintaining safe surface compression stress levels, showcasing his expertise in material science.

Career Highlights

Kazutaka Hayashi's career includes significant roles in prominent companies, including Hoya Corporation and Asahi Glass Company, Limited. At these companies, he honed his skills in glass technology and contributed to various innovative projects that pushed the boundaries of display applications.

Collaborations

Throughout his career, Hayashi has collaborated with notable professionals such as Xuelu Zou and Hiromasa Tawarayama. These collaborations have fostered an environment for sharing ideas and refining technological advancements in the glass industry, further solidifying his position as a leading inventor in his field.

Conclusion

Kazutaka Hayashi's contributions to the glass technology sector demonstrate his innovative spirit and dedication to improving display devices. His extensive patent portfolio reflects his ongoing commitment to research and development, positioning him as a key figure in advancing modern display technologies. Hayashi's work continues to inspire innovation within the industry, paving the way for future advancements.

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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