Takayuki Kawasumi

USPTO Granted Patents = 18 (Patent Applications = 3)

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 38(Granted Patents)

Company Filing History:

Sony Semiconductor Solutions Corporation

patents

Years Active: 1998-2024

where 'Filed Patents' based on already Granted Patents

18 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12068581 - Surface-emitting semiconductor laser (2024-08-20),

2. 11923661 - Surface emitting laser and method of manufacturing the same (2024-03-05),

3. 11652333 - Surface-emitting semiconductor laser (2023-05-16),

4. 11271368 - Semiconductor laser and electronic apparatus (2022-03-08),

5. 10672944 - Active layer structure, semiconductor light emitting element, and display apparatus (2020-06-02),

6. 10541511 - Semiconductor light-emitting element, manufacturing method of semiconductor light-emitting element, and semiconductor device (2020-01-21),

7. 10540916 - Semiconductor light-emitting device, display unit, and electronic apparatus (2020-01-21),

8. 10490692 - Semiconductor light-emitting device and display apparatus (2019-11-26),

9. 10320146 - Semiconductor light-emitting element, manufacturing method of semiconductor light-emitting element, and semiconductor device (2019-06-11),

10. 9966500 - Semiconductor optical device and display device (2018-05-08),

11. 9368685 - Semiconductor light emitting device, method of manufacturing the same, image display device, and electronic apparatus (2016-06-14),

12. 9153935 - Electronic unit, optcal disk knit, display unit, and image pickup unit (2015-10-06),

13. 8740409 - Light-emitting-element mounting package, light emitting device, backlight, and liquid crystal display device (2014-06-03),

14. 8218594 - Vertical cavity surface emitting laser (2012-07-10),

15. 7332744 - Semiconductor light-emitting device and method of manufacturing the same (2008-02-19),

Title: Innovator Profile: Takayuki Kawasumi

Introduction: Takayuki Kawasumi is a prominent inventor located in Kanagawa, Japan, recognized for his contributions to the field of semiconductor technology. With 18 patents to his name, his work is instrumental in advancing the capabilities of surface-emitting lasers.

Latest Patents: Among his significant inventions are two innovative patents related to surface-emitting semiconductor lasers. The first patent details a surface-emitting semiconductor laser that incorporates a substrate, a first electrode in contact with the substrate, and multiple light reflection layers. This design also features an active layer and a current confining layer, ensuring enhanced efficiency and performance. The second patent outlines a method for manufacturing a surface-emitting laser, streamlining the production process and potentially lowering costs in semiconductor manufacturing.

Career Highlights: Takayuki Kawasumi has held key positions at renowned companies, notably at Sony Corporation and Sony Semiconductor Solutions Corporation. His work within these organizations underscores his expertise and commitment to pioneering advancements in technology.

Collaborations: Throughout his career, Kawasumi has collaborated with esteemed colleagues, including Yoshiaki Watanabe and Kota Tokuda. Together, they have contributed to various projects that enhance the understanding and application of semiconductor technology.

Conclusion: With 18 patents and a remarkable career, Takayuki Kawasumi exemplifies innovation in the semiconductor field. His latest patents on surface-emitting semiconductor lasers not only reflect his ingenuity but also his significant impact on the technological landscape. As his career progresses, Kawasumi continues to be a leading figure in advancing modern semiconductor solutions.

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3 patents pending:

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