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For the Inventor, By the Inventor

Palo Alto, CA, United States of America

Mehrdad Heshami

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 116(Granted Patents)


Location History:

  • Palo Alto, CA (US) (1998 - 2009)
  • Stanford, CA (US) (2011)
  • Sunnyvale, CA (US) (2013)

Company Filing History:

goldMedal6 out of 5,416 
 
Nvidia Corporation
 patents
silverMedal5 out of 6 
 
Alvand Technologies, Inc.
 patents
bronzeMedal1 out of 2 
 
Alvand Technology, Inc.
 patents
4. 1 out of 1,264 
 
Integrated Device Technology, Inc.
 patents
5. 1 out of 4,670 
 
Agilent Technologies, Inc.
 patents
6. 1 out of 5 
 
Rockwell Int'l Corp.
 patents

Years Active: 1998-2013

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15 patents (USPTO):Explore Patents
1. 8364433 - Accurate resistance capacitance (RC) time constant calibration with metal-oxide-metal (MOM) capacitors for precision frequency response of integrated filters (2013-01-29),
2. 7977762 - Effective shield structure for improving substrate isolation of analog circuits from noisy digital circuits on a system-on-chip (SOC) (2011-07-12),
3. 7898056 - Seal ring for reducing noise coupling within a system-on-a-chip (SoC) (2011-03-01),
4. 7606546 - Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems (2009-10-20),
5. 7558348 - Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications (2009-07-07),
6. 7548740 - Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems (2009-06-16),
7. 7542749 - Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems (2009-06-02),
8. 7499690 - Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems (2009-03-03),
9. 7473955 - Fabricated cylinder capacitor for a digital-to-analog converter (2009-01-06),
10. 7456462 - Fabricated U-shaped capacitor for a digital-to-analog converter (2008-11-25),
11. 7446365 - Fabricated layered capacitor for a digital-to-analog converter (2008-11-04),
12. 7403150 - Analog-to-digital converter architecture using a capacitor array structure (2008-07-22),
13. 7389095 - Variable frequency clock generator for synchronizing data rates between clock domains in radio frequency wireless communication systems (2008-06-17),
14. 6909310 - CMOS controlled-impedance transmission line driver (2005-06-21),
15. 5821785 - Clock signal frequency multiplier (1998-10-13),

Title: Innovations and Contributions of Mehrdad Heshami

Introduction

Mehrdad Heshami is a prominent inventor based in Palo Alto, California. He has made significant contributions to the field of integrated circuits and calibration systems. With a total of 15 patents to his name, Heshami's work has had a substantial impact on the technology industry.

Latest Patents

One of Heshami's latest patents focuses on accurate resistance capacitance (RC) time constant calibration with metal-oxide-metal (MOM) capacitors for precision frequency response of integrated filters. This calibration system is designed for use with an RC filter that includes resistors and capacitors, addressing the parasitic capacitance associated with these components. The system features a digital calibration circuit that receives a time constant signal and generates a control word of N digital bits. Additionally, it includes an analog monitor circuit with a monitor capacitance assembly that has a specific equivalent resistor and capacitor configuration. This innovative design allows for the generation of a time constant signal that accurately represents the time constant of the RC integrated filter.

Another notable patent by Heshami is an effective shield structure aimed at improving substrate isolation of analog circuits from noisy digital circuits on a system-on-chip (SOC). This integrated circuit (IC) design partitions the central area into a section for digital circuits and another for analog circuits. A guard strip, composed of n-well and p-tap regions, is strategically placed between these two sections to enhance isolation and performance.

Career Highlights

Heshami has worked with several notable companies throughout his career, including Nvidia Corporation and Alvand Technologies, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electronics and integrated circuit design.

Collaborations

Throughout his career, Heshami has collaborated with talented individuals such as Mansour Keramat and Tao Liu. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Mehrdad Heshami's contributions to the field of integrated circuits and calibration systems are noteworthy. His innovative patents and collaborations reflect his dedication to advancing technology. Heshami continues to be a significant figure in the realm of electronics and integrated circuit design.

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