Company Filing History:

13 out of 3,549

Cypress Semiconductor Corporation

patents

7 out of 1,674

Fujitsu Semiconductor Limited

Years Active: 2012-2024

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24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11876090 - ESD protection circuit (2024-01-16),

2. 11521962 - ESD protection circuit (2022-12-06),

3. 11290108 - Negative voltage protection for bus interface devices (2022-03-29),

4. 11201617 - Local interconnect network (LIN) driver circuit (2021-12-14),

5. 10938387 - Local interconnect network (LIN) driver circuit (2021-03-02),

6. 10236773 - Low quiescent current DC-to-DC converter with increased output voltage accuracy (2019-03-19),

7. 9960680 - Control apparatus, switching power supply and control method for maintaining power conversion efficiency (2018-05-01),

8. 9590508 - Control apparatus, and control method for buck-boost power supply with two primary switches (2017-03-07),

9. 9548729 - Switching circuit (2017-01-17),

10. 9523990 - Control circuit of step-down DC-DC converter, control circuit of step-up DC-DC converter and step-up/step-down DC-DC converter (2016-12-20),

11. 9425691 - Low thermal design for DC-DC converter (2016-08-23),

12. 9391512 - Control apparatus, switching power supply and control method for maintaining power conversion efficiency (2016-07-12),

13. 9246387 - Output voltage controller, electronic device, and output voltage control method (2016-01-26),

14. 9225245 - Power supply device and method for controlling power supply (2015-12-29),

15. 8872496 - DC-DC converter and method of controlling DC-DC converter (2014-10-28),

Title: The Innovative Contributions of Toru Miyamae: A Pioneer in ESD Protection Circuits

Introduction: Toru Miyamae, located in Kasugai, Japan, is a notable inventor with an impressive portfolio of 24 patents. His work primarily focuses on innovative circuits that safeguard electronic devices from electrostatic discharge (ESD) events. Through his inventions, he has made significant strides in the field of semiconductor technology.

Latest Patents: One of Miyamae's latest inventions is the ESD protection circuit. This circuit is capable of clamping both positive and negative ESD events while allowing signals to pass through. It features a p-channel field-effect transistor (PFET) clamp coupled to the pin that needs protection. The PFET clamp contains multiple PFETs in a DN-well configuration. It also includes an n-channel field-effect transistor (NFET) clamp situated between ground and the pin, which is connected through the PFET clamp. The NFET clamp consists of several NFETs linked in series, while a bias network maintains the voltage of the DN well in accordance with the pin voltage. The design incorporates PFETs arranged in parallel between the pin and the NFET clamp, each connected through ballast resistors.

Career Highlights: Throughout his career, Miyamae has worked with prominent companies in the semiconductor industry, including Cypress Semiconductor Corporation and Fujitsu Semiconductor Limited. His role in these companies has allowed him to contribute significantly to advancements in electronic circuit design and protection technologies.

Collaborations: Toru Miyamae has collaborated with several esteemed professionals in his field, including David Michael Rogers and Eric N. Mann. These collaborations have fostered innovation and enhanced the development of critical technologies in electronics.

Conclusion: Toru Miyamae's contributions to electrostatic discharge protection technologies underscore his status as a leading inventor in semiconductor innovation. With 24 patents to his name, his work continues to inspire advancements in the protection of electronic devices against potential damage stemming from ESD events. His legacy is marked by collaboration and a commitment to innovation in circuitry design.

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