Company Filing History:

14 out of 42,485

Hitachi, Ltd.

patents

1 out of 152

Hitachi Automotive Engineering Co., Ltd.

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1976-1997

Loading Chart...

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5670811 - Vertical insulated gate semiconductor device having high current density (1997-09-23),

2. 5417312 - Semiconductor acceleration sensor and vehicle control system using the (1995-05-23),

3. 5285094 - Vertical insulated gate semiconductor device with less influence from (1994-02-08),

4. 5274541 - Parallel circuit module including a diode and an IGBT (1993-12-28),

5. 5216587 - Inverter (1993-06-01),

6. 5179034 - Method for fabricating insulated gate semiconductor device (1993-01-12),

7. 5126806 - Lateral insulated gate bipolar transistor (1992-06-30),

8. 5032532 - Method for fabricating insulated gate semiconductor device (1991-07-16),

9. 4935799 - Composite semiconductor device (1990-06-19),

10. 4466009 - Light-activated semiconductor device with optic fiber moveable (1984-08-14),

11. 4210464 - Method of simultaneously controlling the lifetimes and leakage currents (1980-07-01),

12. 4201598 - Electron irradiation process of glass passivated semiconductor devices (1980-05-06),

13. 4089024 - Semiconductor switching device (1978-05-09),

14. 4040084 - Semiconductor device having high blocking voltage with peripheral (1977-08-02),

15. 3967308 - Semiconductor controlled rectifier (1976-06-29),

Title: Tomoyuki Tanaka: Innovator in Semiconductor Technology

Introduction

Tomoyuki Tanaka is a prominent inventor based in Hitachi, Japan, known for his significant contributions to semiconductor technology. With a total of 15 patents to his name, Tanaka has made remarkable advancements in the field, particularly in the development of high-performance semiconductor devices.

Latest Patents

One of Tanaka's latest patents is for a vertical insulated gate semiconductor device that achieves high current density. This invention focuses on enhancing the reliability and performance of semiconductor devices by utilizing multiple insulating gates and aligned semiconductor regions. Another notable patent involves a semiconductor acceleration sensor designed for vehicle control systems. This sensor features a cantilever with a movable electrode and fixed conductive electrodes, ensuring high precision and reliability in operation.

Career Highlights

Throughout his career, Tomoyuki Tanaka has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His work has significantly impacted the semiconductor industry, leading to innovations that improve device performance and reliability.

Collaborations

Tanaka has collaborated with notable colleagues, including Mutsuhiro Mori and Yasumichi Yasuda. These partnerships have fostered a creative environment that has contributed to the advancement of semiconductor technologies.

Conclusion

Tomoyuki Tanaka's innovative work in semiconductor technology has established him as a key figure in the industry. His patents reflect a commitment to enhancing device performance and reliability, making significant contributions to the field.

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

Please report any incorrect information to support@idiyas.com

Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.