Company Filing History:

10 out of 4,791

National Semiconductor Corporation

Analog Devices Global

patents

4. 1 out of 22

Renesas Design (uk) Limited

patents

Years Active: 2006-2025

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12231130 - Low power comparator (2025-02-18),

2. 9065337 - Inductor current emulation circuit for a switching converter (2015-06-23),

3. 8981667 - Current controlling circuit for a light-emitting diode driver and producing method therefor (2015-03-17),

4. 8345394 - ESD protection circuit for a switching power converter (2013-01-01),

5. 7952900 - H-bridge buck-boost converter (2011-05-31),

6. 7671575 - Transient load response for a voltage regulator with a load current based control loop (2010-03-02),

7. 7595622 - System and method for providing a sample and hold circuit for maintaining an output voltage of a constant current source circuit when a feedback loop is disconnected (2009-09-29),

8. 7479812 - Producing a frequency-representative signal with rapid adjustment to frequency changes (2009-01-20),

9. 7372241 - Apparatus and method for switching voltage regulation (2008-05-13),

10. 7372238 - Apparatus and method for step-down switching voltage regulation (2008-05-13),

11. 7345459 - Emulated inductor current automatic correction without knowledge of actual inductor current ramp for emulated peak control mode PWM (2008-03-18),

12. 7135841 - Emulated inductor current automatic correction without knowledge of actual inductor current ramp for emulated peak control mode PWM (2006-11-14),

13. 7119522 - Apparatus and method for step-down switching voltage regulation (2006-10-10),

14. 7075346 - Synchronized frequency multiplier for multiple phase PWM control switching regulator without using a phase locked loop (2006-07-11),

15. 7045993 - Apparatus and method for step-down switching voltage regulation (2006-05-16),

Title: Innovation Spotlight: Kenji Tomiyoshi - Pioneering Inventor in Chiba, Japan

Introduction: Kenji Tomiyoshi, a distinguished inventor based in Chiba, Japan, has made significant contributions to the field of electronics with a remarkable portfolio of 14 patents. His groundbreaking work has revolutionized the industry, particularly in the areas of inductor current emulation circuits and LED driver technology.

Latest Patents:

1. Inductor Current Emulation Circuit for a Switching Converter: Kenji's innovative circuit design for switching converters includes a sophisticated mechanism that emulates inductor current, enhancing the efficiency and precision of output voltage regulation.

2. Current Controlling Circuit for a Light-Emitting Diode (LED) Driver and Producing Method: His fully integrated LED current controlling circuit with auto-zero functionality eliminates offsets and ensures high accuracy in LED current control without the need for external components.

Career Highlights: Kenji Tomiyoshi has held pivotal roles at renowned companies such as National Semiconductor Corporation and Analog Devices, Inc. His expertise and inventive prowess have been instrumental in advancing technological frontiers in the semiconductor industry.

Collaborations: Throughout his career, Kenji has collaborated with industry luminaries such as George Adrian Hariman and Bin Shao. These partnerships have resulted in the development of cutting-edge solutions and have cemented his position as a visionary in the field of electronics.

Conclusion: Kenji Tomiyoshi's relentless pursuit of innovation and commitment to excellence have solidified his reputation as a trailblazer in the realm of electronics. His patents and collaborations stand as a testament to his ingenuity and unwavering dedication to advancing technological innovation.

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