Enter inventor name

Koji Hirata

USPTO Granted Patents = 13 (Patent Applications = 1)

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 26(Granted Patents)

Location History:

Nishikasugai-Gun, JP (2010)
Haruhi, JP (2010)
Aichi, JP (2011)
Aichi-ken, JP (2008 - 2013)
Kiyosu, JP (2016)

Company Filing History:

13 out of 3,081

Toyoda Gosei Co., Ltd.

Sumitomo Chemical Company, Limited

patents

5. 1 out of 1,715

National Institute of Advanced Industrial Science and Technology

7. 1 out of 832,880

Other

patents

where one patent can have more than one assignee

Years Active: 2008-2016

Loading Chart...

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9444009 - Group-III nitride compound semiconductor light emitting element, manufacturing method therefor and semiconductor light emitting device (2016-09-13),

2. 8349079 - Apparatus for manufacturing group III nitride semiconductor (2013-01-08),

3. 8343239 - Group III nitride semiconductor manufacturing system (2013-01-01),

4. 8084281 - Semiconductor substrate, electronic device, optical device, and production methods therefor (2011-12-27),

5. 7981744 - Field-effect transistor, semiconductor device, a method for manufacturing them, and a method of semiconductor crystal growth (2011-07-19),

6. 7842133 - Single crystal growing method (2010-11-30),

7. 7750351 - Epitaxial substrate for field effect transistor (2010-07-06),

8. 7708833 - Crystal growing apparatus (2010-05-04),

9. 7572652 - Light emitting element and production method thereof (2009-08-11),

10. 7554132 - Electronic device containing group-III element based nitride semiconductors (2009-06-30),

11. 7524741 - Method of forming a low temperature-grown buffer layer, a light emitting element and method of making same, and light emitting device (2009-04-28),

12. 7459023 - Method for producing semiconductor crystal (2008-12-02),

13. 7432538 - Field-effect transistor (2008-10-07),

Title: The Innovations of Koji Hirata

Introduction

Koji Hirata is a prominent inventor based in Aichi-ken, Japan, known for his significant contributions to the field of semiconductor technology. With a total of 13 patents to his name, Hirata has made remarkable advancements in the development of group-III nitride compound semiconductors.

Latest Patents

Hirata's latest patents include a group-III nitride compound semiconductor light emitting element and a manufacturing method for the same. This innovative light emitting element features a substrate with a main face that has a concave and convex portion. A group-III nitride compound semiconductor layer is formed on this main face, creating a clearance between the substrate and the semiconductor layer in a specific region. This design allows for enhanced performance in light emission. Additionally, he has developed an apparatus for manufacturing group III nitride semiconductors, which includes a pressure vessel and a reaction vessel, ensuring that oxidation of sodium does not occur during the manufacturing process.

Career Highlights

Throughout his career, Koji Hirata has worked with notable companies such as Toyoda Gosei Co., Ltd. and NGK Insulators, Inc. His work in these organizations has contributed to the advancement of semiconductor technologies and their applications in various industries.

Collaborations

Hirata has collaborated with esteemed colleagues, including Shiro Yamazaki and Masayoshi Kosaki, further enhancing the innovative efforts in semiconductor research and development.

Conclusion

Koji Hirata's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a leading inventor in Japan. His work continues to influence advancements in light emitting devices and manufacturing processes.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com