Hajime Nago

This inventor holds 61 USPTO granted patents and 17 published patent applications and 4 EPO patents, primarily in Nitride Semiconductors (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Nuflare Technology, Inc.. Active years: 2008-2026.

USPTO Granted Patents = 61 (Patent Applications = 17)

% Patents Active = 75.4

EPO Patents = 4 (Patent Applications = 9)

Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 74(Granted Patents)

Forward Citations (Not Self Cited) = 63(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa-ken, JP (2013 - 2017)
Yokohama, JP (2008 - 2024)

Company Filing History:

59 out of 53,240

Kabushiki Kaisha Toshiba

patents

5 out of 1,696

Toshiba Electronic Devices & Storage Corporation

patents

2 out of 744

Nuflare Technology, Inc.

patents

where one patent can have more than one assignee

Years Active: 2008-2026

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Areas of Expertise:

Nitride Semiconductor

Semiconductor Device

Vapor Phase Growth

Light Emitting Device

Crystal Growth Method

Silicon Substrate

Impurity Concentrations

Manufacturing Method

Wafer

P-Type Semiconductor

Vapor Deposition

61 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12628397 - Nitride semiconductor with multiple nitride regions of different impurity concentrations, wafer, semiconductor device and method for manufacturing the same (2026-05-12),

2. 12610598 - Nitride semiconductor, semiconductor device, and method for manufacturing the nitride semiconductor (2026-04-21),

3. 12501637 - Nitride semiconductor and semiconductor device (2025-12-16),

4. 12477799 - Nitride semiconductor and semiconductor device (2025-11-18),

5. 12469698 - Wafer having silicon substrate with suppressed fractures, semiconductor device, and method for manufacturing the wafer (2025-11-11),

6. 12266698 - Nitride semiconductor including multi-portion nitride region (2025-04-01),

7. 12170318 - Nitride semiconductor, semiconductor device, and method for manufacturing nitride semiconductor (2024-12-17),

8. 11955520 - Nitride semiconductor with multiple nitride regions of different impurity concentrations, wafer, semiconductor device and method for manufacturing the same (2024-04-09),

9. 11757006 - Semiconductor device, method for manufacturing semiconductor device, and manufacturing apparatus of semiconductor device (2023-09-12),

10. 11469304 - Semiconductor device, method for manufacturing semiconductor device, and manufacturing apparatus of semiconductor device (2022-10-11),

11. 11072856 - Vapor phase growth method (2021-07-27),

12. 10351949 - Vapor phase growth method (2019-07-16),

13. 9679974 - Nitride semiconductor element, nitride semiconductor wafer, and method for forming nitride semiconductor layer (2017-06-13),

14. 9590141 - Semiconductor light emitting device having a p-type semiconductor layer with a p-type impurity (2017-03-07),

15. 9391145 - Nitride semiconductor element and nitride semiconductor wafer (2016-07-12),

Title: Inventor Hajime Nago

Introduction: Hajime Nago is a renowned inventor hailing from Kanagawa-ken, Japan. He has made significant contributions to the field of innovation with his groundbreaking inventions.

Latest Patents: Hajime Nago holds several patents in various technological domains, showcasing his continuous commitment to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Hajime Nago has been recognized for his inventive spirit and problem-solving abilities. His inventions have not only revolutionized industries but have also improved the lives of many.

Collaborations: Hajime Nago has collaborated with leading research institutions, universities, and companies to further develop and implement his innovative ideas. These partnerships have been instrumental in bringing his inventions to the market.

Conclusion: In conclusion, Hajime Nago stands as a visionary inventor whose passion for innovation has left a lasting impact on the world. His dedication to creating solutions that make a difference highlights his remarkable contributions to the field of technology.