Company Filing History:

26 out of 20,290

Motorola Corporation

Years Active: 1991-2004

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27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6777727 - Flexural plate wave systems (2004-08-17),

2. 6424238 - Acoustic wave filter and method of forming the same (2002-07-23),

3. 6025762 - Delay line incorporating a surface acoustic wave ladder filter and (2000-02-15),

4. 5896636 - Method for providing a piezoelectric substrate and surface acoustic wave (1999-04-27),

5. 5854579 - Saw filter using low-pass configuration and method of providing the same (1998-12-29),

6. 5777419 - Surface acoustic wave device with minimized bulk scattering (1998-07-07),

7. 5654680 - Saw-based ladder filter including multiple coUpling coefficients (1997-08-05),

8. 5638036 - Acoustic wave ladder filter with unequal series and shunt transducer (1997-06-10),

9. 5635883 - Acoustic wave filter with filter-shaping element and method (1997-06-03),

10. 5600287 - Acoustic wave filter with reduced bulk-wave scattering loss, ladder (1997-02-04),

11. 5434466 - Acoustic wave filter with reduced bulk-wave scattering loss and method (1995-07-18),

12. 5420472 - Method and apparatus for thermal coefficient of expansion matched (1995-05-30),

13. 5365207 - Multi-bandwidth saw filter (1994-11-15),

14. 5334960 - Conjugately matched acoustic wave transducers and method (1994-08-02),

15. 5327626 - Method for processing robust acoustic reflectors (1994-07-12),

Title: David Penunuri: Innovator in Acoustic Wave Technologies

Introduction

David Penunuri is a renowned inventor based in Fountain Hills, Arizona. With a remarkable portfolio of 27 patents, he has made significant contributions to the field of acoustic wave technologies, showcasing his innovative spirit and technical expertise.

Latest Patents

Penunuri's latest patents include groundbreaking advancements in flexural plate wave systems and acoustic wave filters. The flexural plate wave system offers an exemplary method for providing an acoustic plate wave apparatus. This invention comprises components such as a monocrystalline silicon substrate, an amorphous oxide material, a monocrystalline perovskite oxide material, and a flexural plate wave component that features both an input and output interdigitated transducer. The system allows for the deposition and removal of materials on sensor surfaces, leading to measurable alterations in acoustic plate mode characteristics.

Additionally, his patent for an acoustic wave filter describes a method for its formation, featuring a substrate supporting both a series resonator and a shunt resonator, either as Surface Acoustic Wave (SAW) or Bulk Acoustic Wave (BAW) resonators. These innovations reflect Penunuri’s commitment to enhancing acoustic wave technologies and filtering solutions.

Career Highlights

Throughout his career, Penunuri has contributed to prominent companies such as Motorola Corporation and CTS Corporation. His experiences at these established organizations have shaped his understanding of the industry and offered him opportunities to innovate in the realm of acoustics.

Collaborations

David has collaborated with notable colleagues, including Thomas S. Hickernell and Frederick Y. Cho. These partnerships have been instrumental in developing his patents and advancing the technologies in which he specializes.

Conclusion

David Penunuri stands out as an influential inventor whose work in acoustic wave systems and filters has the potential to impact various technological sectors. His impressive patent portfolio and collaborative efforts reflect his dedication to innovation and his role in pushing the boundaries of what is possible in acoustic technologies.

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