Company Filing History:

9 out of 138

Pericom Semiconductor Corporation

Years Active: 2001-2012

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8320428 - Spread spectrum clock generator with controlled delay elements (2012-11-27),

2. 7742552 - Spread spectrum clock generator with controlled delay elements (2010-06-22),

3. 7346095 - Spread spectrum clock generator with controlled delay elements (2008-03-18),

4. 6791369 - Clock presence detector comparing differential clock to common-mode voltage (2004-09-14),

5. 6762634 - Dual-loop PLL with DAC offset for frequency shift while maintaining input tracking (2004-07-13),

6. 6693987 - Digital-to-analog DAC-driven phase-locked loop PLL with slave PLL's driving DAC reference voltages (2004-02-17),

7. 6674319 - Power down mode signaled by differential transmitter's high-Z state detected by receiver sensing same voltage on differential lines (2004-01-06),

8. 6628175 - Voltage-controlled crystal oscillator (VCXO) using MOS varactors coupled to an adjustable frequency-tuning voltage (2003-09-30),

9. 6593801 - Power down mode signaled by differential transmitter's high-Z state detected by receiver sensing same voltage on differential lines (2003-07-15),

10. 6552578 - Power down circuit detecting duty cycle of input signal (2003-04-22),

11. 6541814 - MOS variable capacitor with controlled dC/dV and voltage drop across W of gate (2003-04-01),

12. 6281727 - Fine-tuning phase-locked loop PLL using variable resistor between dual PLL loops (2001-08-28),

Title: Innovations of Inventor Hide Hattori

Introduction

Hide Hattori is a notable inventor based in Palo Alto, California. He has made significant contributions to the field of electronics, holding a total of 12 patents. His work primarily focuses on reducing electromagnetic interference in electronic devices.

Latest Patents

One of his latest innovations is the spread spectrum clock generator with controlled delay elements. This programmable spread spectrum clock generator (SSCG) effectively reduces electromagnetic interference by spreading the frequency bandwidth of an output signal. The rate at which the frequency of the output signal changes, as well as other aspects of the output signal, are software programmable. The programmable SSCG receives a periodic signal whose cycles have substantially identical periods and outputs an output signal whose cycles have periods that vary smoothly over a plurality of cycles of the periodic signal. It generates a control signal using the periodic signal and includes a variable delay element that generates the output signal by delaying the periods of the periodic signal based on the magnitude of the control signal. Notably, the output signal is generated without using a phase-locked loop, and successive cycles of the output signal rarely have identical periods.

Career Highlights

Throughout his career, Hide Hattori has worked with several prominent companies, including Pericom Semiconductor Corporation and Zilog, Inc. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.

Collaborations

Hide Hattori has collaborated with talented individuals such as Jacky Hung-Yan Cheung and Min Cao. These partnerships have further enhanced his work and led to the development of groundbreaking technologies.

Conclusion

Hide Hattori's contributions to the field of electronics, particularly through his innovative patents, have made a significant impact on reducing electromagnetic interference in electronic devices. His work continues to influence the industry and inspire future innovations.

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