Company Filing History:

12 out of 10,239

Sumitomo Electric Industries, Limited

1 out of 832,680

Other

patents

Years Active: 1999-2018

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10128633 - Surface emitting semiconductor laser (2018-11-13),

2. 9638980 - Modulator and production method thereof (2017-05-02),

3. 9563100 - Optical semiconductor device and method of producing the same (2017-02-07),

4. 9523871 - Semiconductor optical modulator and method for manufacturing semiconductor optical modulator (2016-12-20),

5. 9280004 - Method for manufacturing semiconductor modulator and semiconductor modulator (2016-03-08),

6. 9223088 - Method for manufacturing semiconductor optical device (2015-12-29),

7. 8964809 - Semiconductor optical integrated device (2015-02-24),

8. 8900903 - Method for producing optical semiconductor device (2014-12-02),

9. 8873598 - Waveguide-type optical semiconductor device (2014-10-28),

10. 8637329 - Method for producing semiconductor optical integrated device (2014-01-28),

11. 8618638 - Semiconductor optical modulator and method for manufacturing the same (2013-12-31),

12. 8563342 - Method of making semiconductor optical integrated device by alternately arranging spacers with integrated device arrays (2013-10-22),

13. 6925103 - Gain-coupled DFB laser diode (2005-08-02),

14. 6850550 - Complex coupling MQW semiconductor laser (2005-02-01),

15. 6560266 - Distributed feedback semiconductor laser (2003-05-06),

Title: Hirohiko Kobayashi: Innovator in Semiconductor Technology

Introduction

Hirohiko Kobayashi is a prominent inventor based in Machida, Japan, known for his significant contributions to semiconductor technology. With a remarkable portfolio of 21 patents, Kobayashi's work has advanced the field of electronics, particularly in the development of lasers and modulators.

Latest Patents

Among his latest innovations is a **surface emitting semiconductor laser**, which features a unique design comprising a post with an active layer and a distributed Bragg reflector. This laser incorporates an insulating layer that facilitates effective electrical connections, enhancing the device's performance.

Another noteworthy patent is for a **modulator and its production method**, utilizing a Mach-Zehnder modulator with an embedded optical waveguide. This innovative design includes a resin layer that integrates functional components, allowing for improved optical signal processing.

Career Highlights

Hirohiko Kobayashi has held key positions in well-known companies such as Sumitomo Electric Industries, Limited and Fujitsu Corporation. His expertise in semiconductor technology has been invaluable in driving research and development initiatives, positioning him as a leader in the industry.

Collaborations

Throughout his career, Kobayashi has collaborated with esteemed colleagues, including Yoshihiro Yoneda and Takuya Fujii. These partnerships have fostered a rich exchange of ideas and advancements in technology, further solidifying his impact on the field.

Conclusion

Hirohiko Kobayashi's innovative spirit and dedication to semiconductor research have resulted in numerous patents that continue to shape the future of electronic devices. His contributions underscore the importance of collaboration and innovation in the pursuit of technological advancement.

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