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For the Inventor, By the Inventor

Aichi, Japan

Takahiro Kozawa

This inventor holds 16 USPTO granted patents and 1 published patent application. Top assignees: Toyoda Gosei Co., Ltd., Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha. Active years: 1993-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Kozawa. Retrieved from https://idiyas.com/inventor/takahiro-kozawa

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

USPTO Granted Patents = 16 

% Patents Active = 68.8

Average Co-Inventor Count = 3.2

ph-index = 9

Forward Citations = 464(Granted Patents)


Location History:

  • Owariasahi, JP (1993 - 1994)
  • Owariasahi-shi, Aichi-ken, JP (1998)
  • Aichi-gun, JP (2007)
  • Aichi-ken, JP (1999 - 2010)
  • Nagoya, JP (2011 - 2015)
  • Nagakute, JP (2015 - 2019)
  • Aichi, JP (2003 - 2021)

Company Filing History:

goldMedal10 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
silverMedal3 out of 1,153 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
bronzeMedal3 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
4. 2 out of 112 
 
Central Research Institute of Electric Power Industry
 patents
5. 2 out of 1,961 
 
Showa Denko K.k.
 patents
6. 1 out of 747 
 
Nuflare Technology, Inc.
 patents
7. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2021

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16 patents (USPTO):Explore Patents
1. 10896831 - Film forming apparatus (2021-01-19),
2. 10262863 - Method for manufacturing SiC epitaxial wafer by simultaneously utilizing an N-based gas and a CI-based gas, and SiC epitaxial growth apparatus (2019-04-16),
3. 9184044 - Method for manufacturing semiconductor device (2015-11-10),
4. 8956458 - Vapor deposition device and vapor deposition method (2015-02-17),
5. 8703590 - Vapor-phase growth method for semiconductor film (2014-04-22),
6. 7897987 - Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers (2011-03-01),
7. 7646036 - Electrode and Group III nitride-based compound semiconductor light-emitting device having the electrode (2010-01-12),
8. 7247884 - Group III nitride compound semiconductor light-emitting element (2007-07-24),
9. 6891203 - Light emitting device (2005-05-10),
10. 6864502 - III group nitride system compound semiconductor light emitting element (2005-03-08),
11. 6649943 - Group III nitride compound semiconductor light-emitting element (2003-11-18),
12. 6121127 - Methods and devices related to electrodes for p-type group III nitride (2000-09-19),
13. 6008539 - Electrodes for p-type group III nitride compound semiconductors (1999-12-28),
14. 5753939 - Light-emitting semiconductor device using a Group III nitride compound (1998-05-19),
15. 5369289 - Gallium nitride-based compound semiconductor light-emitting device and (1994-11-29),

Title: The Innovations of Takahiro Kozawa

Introduction

Takahiro Kozawa is a prominent inventor based in Aichi, Japan, known for his significant contributions to the field of technology and engineering. With a total of 16 patents to his name, he has made remarkable advancements in various applications, particularly in the manufacturing of semiconductor materials.

Latest Patents

Kozawa's latest patents include a film forming apparatus designed to enhance the efficiency of gas supply in manufacturing processes. This apparatus features a unique supply part with multiple partitions and flow paths that allow for the introduction of different gases. Additionally, he has developed a method for manufacturing silicon carbide (SiC) epitaxial wafers by utilizing both nitrogen-based and chlorine-based gases. This innovative approach involves mixing these gases at elevated temperatures to facilitate the growth of high-quality SiC layers.

Career Highlights

Throughout his career, Takahiro Kozawa has worked with notable companies such as Toyoda Gosei Co., Ltd. and Toyota Central R&D Labs, Inc. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge research and development projects.

Collaborations

Kozawa has collaborated with esteemed colleagues, including Naoki Shibata and Junichi Umezaki, to further advance his research and innovations in the field.

Conclusion

Takahiro Kozawa's work exemplifies the spirit of innovation and dedication to technological advancement. His patents and contributions continue to influence the industry and pave the way for future developments in semiconductor manufacturing.

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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