Shigeya Kimura

This inventor holds 72 USPTO granted patents and 15 published patent applications and 5 EPO patents, primarily in Semiconductor Devices (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation. Active years: 2013-2026.

USPTO Granted Patents = 72 (Patent Applications = 15)

% Patents Active = 84.7

EPO Patents = 5 (Patent Applications = 9)

Average Co-Inventor Count = 3.9

ph-index = 6

Forward Citations = 165(Granted Patents)

Forward Citations (Not Self Cited) = 146(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (2013 - 2014)
Kanagawa-ken, JP (2013 - 2017)
Yokohama Kanagawa, JP (2022 - 2023)
Kanagawa, JP (2023)
Yokohama, JP (2015 - 2024)

Company Filing History:

72 out of 53,211

Kabushiki Kaisha Toshiba

patents

5 out of 334

Toshiba Energy Systems & Solutions Corporation

patents

where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:

Power Generation Element

Thermionic Power Generation

Electron Emitting Element

Semiconductor Device

Inverter Circuit

Driving Device

Nitride Semiconductor

Light Emitting Device

High Threshold Voltage

Diamond Members

Elevator Technology

On-Resistance

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12628395 - Hemt semiconductor device with a AlInGaN layer for polarity control (2026-05-12),

2. 12191105 - Switch device (2025-01-07),

3. 12165858 - Thermionic power generation element and thermionic power generation module (2024-12-10),

4. 12046461 - Power generation element (2024-07-23),

5. 11855579 - Power generation element (2023-12-26),

6. 11805698 - Power generation element and power generation system (2023-10-31),

7. 11758812 - Power generation element, power generation module, power generation device, and power generation system (2023-09-12),

8. 11664182 - Electron emitting element and power generation element (2023-05-30),

9. 11657997 - Electron-emitting element (2023-05-23),

10. 11476354 - Power generation element (2022-10-18),

11. 11387069 - Electron-emitting electrode including multiple diamond members and magnetron including same (2022-07-12),

12. 11276774 - Semiconductor device, inverter circuit, driving device, vehicle, and elevator (2022-03-15),

13. 11276758 - Semiconductor device, inverter circuit, driving device, vehicle, and elevator having a reduced on-resistance with a silicon carbide layer (2022-03-15),

14. 11075262 - Semiconductor device (2021-07-27),

15. 11024487 - Current switch device including first and second electrodes and first and second grids (2021-06-01),

Title: Shigeya Kimura: An Innovator in Thermionic Power Generation

Shigeya Kimura, a prolific inventor based in Kanagawa-ken, Japan, has made significant contributions to the field of electrical engineering and power generation. With a remarkable portfolio of 71 patents, his work reflects a high level of innovation and technical prowess.

Latest Patents

Among his latest inventions, Kimura has developed a switch device which includes a container designed to house a gas, featuring both a cathode and two anodes. The unique configuration allows for the crossing of directions between the cathode and the anodes, optimizing the switching mechanism's efficiency. Another noteworthy invention is the thermionic power generation element, which comprises a cathode, an anode, and an insulating member. This innovative setup enhances energy conversion through a carefully designed gap and the inclusion of a first through-hole in the anode, demonstrating his commitment to advancing thermionic technology.

Career Highlights

Shigeya Kimura has had an illustrious career, working with leading companies such as Kabushiki Kaisha Toshiba and Toshiba Energy Systems & Solutions Corporation. His experience in these organizations has undoubtedly influenced his innovative approach to developing new technologies and solutions.

Collaborations

Throughout his career, Kimura has collaborated with other talented professionals, including Shinya Nunoue and Koichi Tachibana. These partnerships have likely contributed to his success as an inventor and enhanced the quality of his inventions.

Conclusion

In conclusion, Shigeya Kimura stands out as a prominent figure in the realm of innovations in power generation. His extensive patent portfolio and collaborative efforts illustrate his commitment to improving technology and shaping the future of electrical engineering. As he continues to push the boundaries of innovation, his work promises to have a lasting impact on the industry.