San Francisco, CA, United States of America

Manjirnath A Chatterjee

This inventor holds 51 USPTO granted patents and 12 published patent applications and 4 EPO patents, primarily in Inductive Charging Technology (CPC class G06F). Top assignees: Hewlett-Packard Development Company, L.p., Qualcomm Incorporated, Deftio LLC. Active years: 1999-2025.

USPTO Granted Patents = 51 (Patent Applications = 12)

% Patents Active = 54.9

EPO Patents = 4

Average Co-Inventor Count = 1.9

ph-index = 18

Forward Citations = 1,492(Granted Patents)

Forward Citations (Not Self Cited) = 1,431(Dec 10, 2025)

Inventors with similar research interests:

Location History:

State College, PA (US) (1999)
Sunnyvale, CA (US) (2002 - 2014)
SanFrancisco, CA (US) (2008 - 2024)

Company Filing History:

15 out of 27,658

Hewlett-Packard Development Company, L.p.

patents

12 out of 44,749

Qualcomm Incorporated

The Nielsen Comapny (US), LLC

patents

7. 2 out of 2

Interos Solutions, Inc.

9. 2 out of 834,411

Other

patents

Years Active: 1999-2025

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Areas of Expertise:

Inductive Charging

Wireless Power Transmission

Sound Generation

Mobile Computing

Device Docking

Data Transfer

Proximity Detection

Hybrid Mode Operation

Opinion Search Engine

Power Supply

Orientation Detection

Micropositioning

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12406647 - Flow controlled sound generation apparatus (2025-09-02),

2. 11893974 - Flow controlled sound generation apparatus (2024-02-06),

3. 11282488 - Flow controlled sound generation apparatus (2022-03-22),

4. 10679597 - Flow controlled sound generation apparatus (2020-06-09),

5. 10621183 - Method and system of an opinion search engine with an application programming interface for providing an opinion web portal (2020-04-14),

6. 10162900 - Method and system of an opinion search engine with an application programming interface for providing an opinion web portal (2018-12-25),

7. 9818391 - Flow controlled sound generation apparatus (2017-11-14),

8. 9471883 - Hybrid human machine learning system and method (2016-10-18),

9. 9395827 - System for detecting orientation of magnetically coupled devices (2016-07-19),

10. 9384340 - Accessible region of a device (2016-07-05),

11. 9225392 - Flat power coil for wireless charging applications (2015-12-29),

12. 9213997 - Method and system for social media burst classifications (2015-12-15),

13. 9203642 - Method and system for collecting data on a wireless device (2015-12-01),

14. 9106106 - Method and apparatus for locating a portable device and then transmitting power over wireless signal (2015-08-11),

15. 9104415 - Method for selecting and launching a hybrid mode of operation for a portable device based on received sensor information and a current mode of operation (2015-08-11),

Title: Manjirnath A. Chatterjee: Innovator in Sound Generation Technology

Introduction

Manjirnath A. Chatterjee, based in San Francisco, CA, is a prolific inventor with a remarkable portfolio of 50 patents. His contributions to the field of sound generation technology demonstrate creativity and technical expertise that have earned him recognition in the innovation landscape.

Latest Patents

Among his latest innovations is the "Flow Controlled Sound Generation Apparatus." This system includes one or more fluid pumps that control air flow through a sound channel. The air flow is modulated through valves, which produce audible frequency pressure waves, showcasing an inventive method of sound generation tailored for various applications.

Career Highlights

Throughout his career, Manjirnath has made significant impacts while working with notable companies, including Hewlett-Packard Development Company, L.P. and Qualcomm Incorporated. His work in these organizations has furthered advancements in sound technology and related fields.

Collaborations

Manjirnath has collaborated with esteemed colleagues such as Eric HC Liu and Yoshimichi Matsuoka, contributing to many successful projects that leverage their combined expertise. These collaborations have facilitated innovative approaches and solutions in their respective areas of technology.

Conclusion

Manjirnath A. Chatterjee continues to be a driving force in the realm of sound generation technology. His extensive patent portfolio highlights his inventive spirit and commitment to innovation. As he advances his work, the potential for future breakthroughs remains promising.