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For the Inventor, By the Inventor

Sagamihara, Japan

Koyata Takahashi

This inventor holds 13 USPTO granted patents and 3 EPO patents. Top assignee: Tosoh Corporation. Active years: 2000-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koyata Takahashi. Retrieved from https://idiyas.com/inventor/koyata-takahashi

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

USPTO Granted Patents = 13

% Patents Active = 38.5

 

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 64(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2003)
  • Sagamihara, JP (2004 - 2009)
  • Kanagawa, JP (2000 - 2021)

Company Filing History:

goldMedal13 out of 923 
 
Tosoh Corporation
 patents

Years Active: 2000-2021

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13 patents (USPTO):Explore Patents
1. 11168393 - Gallium nitride sintered body or gallium nitride molded article, and method for producing same (2021-11-09),
2. 10174419 - Gallium nitride sintered body or gallium nitride molded article, and method for producing same (2019-01-08),
3. 8637154 - Ceramic beads with smooth surfaces and process for producing the same (2014-01-28),
4. 7531232 - Component for vacuum apparatus, production method thereof and apparatus using the same (2009-05-12),
5. 7504164 - Corrosion-resistant member and process of producing the same (2009-03-17),
6. 7338699 - Island projection-modified part, method for producing the same, and apparatus comprising the same (2008-03-04),
7. 7081290 - Quartz glass thermal sprayed parts and method for producing the same (2006-07-25),
8. 6902814 - Quartz glass parts, ceramic parts and process of producing those (2005-06-07),
9. 6804189 - Near field optical recording medium (2004-10-12),
10. 6802073 - Magneto-optical recording medium (2004-10-05),
11. 6798734 - Optical recording medium having address pits in the header region connecting with each other (2004-09-28),
12. 6506469 - Surface-side reproduction type optical recording medium (2003-01-14),
13. 6118736 - Magneto-optical recording medium having a reading layer in which (2000-09-12),

Title: Koyata Takahashi: Innovator in Gallium Nitride Technology

Introduction

Koyata Takahashi is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of gallium nitride (GaN) technologies. With a total of 13 patents to his name, Takahashi's work has had a substantial impact on various applications in electronics and optoelectronics.

Latest Patents

Takahashi's latest patents include a gallium nitride sintered body and a gallium nitride molded article, along with methods for producing these materials. The inventions focus on achieving high density and low oxygen content without the need for special apparatus. The first embodiment describes a gallium nitride sintered body characterized by a density of 2.5 g/cm³ to less than 5.0 g/cm³ and an intensity ratio of the gallium oxide peak to the gallium nitride peak of less than 3%, as determined by X-ray diffraction analysis. The second embodiment details a metal gallium-impregnated gallium nitride molded article, which consists of a gallium nitride phase and a metal gallium phase that exist as separate phases, with a molar ratio of Ga/(Ga+N) ranging from 55% to 80%.

Career Highlights

Koyata Takahashi is currently associated with Tosoh Corporation, where he continues to innovate in the field of gallium nitride materials. His work has been instrumental in advancing the understanding and application of GaN technologies, which are crucial for modern electronic devices.

Collaborations

Takahashi has collaborated with notable colleagues, including Koji Katayama and Keiichiro Nishizawa. These collaborations have fostered a productive environment for research and development, leading to groundbreaking advancements in their respective fields.

Conclusion

Koyata Takahashi's contributions to gallium nitride technology exemplify the spirit of innovation in materials science. His patents and ongoing work at Tosoh Corporation continue to influence the future of electronics and optoelectronics.

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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