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For the Inventor, By the Inventor

Endwell, NY, United States of America

Agnes Yee Ngai

USPTO Granted Patents = 51

Average Co-Inventor Count = 3.2

ph-index = 25

Forward Citations = 1,743(Granted Patents)

Forward Citations (Not Self Cited) = 1,721(Oct 12, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal51 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 1990-2011

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51 patents (USPTO):
1. 7936814 - Cascaded output for an encoder system using multiple encoders (2011-05-03),
2. 7738551 - System and method for processing a high definition television (HDTV) image (2010-06-15),
3. 7085322 - Distributed control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel (2006-08-01),
4. 7016413 - Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions (2006-03-21),
5. 6999511 - Dynamically switching quant matrix tables within an MPEG-2 encoder (2006-02-14),
6. 6996186 - Programmable horizontal filter with noise reduction and image scaling for video encoding system (2006-02-07),
7. 6993078 - Macroblock coding technique with biasing towards skip macroblock coding (2006-01-31),
8. 6980598 - Programmable vertical filter for video encoding (2005-12-27),
9. 6961378 - On-chip dynamic buffer level indicators for digital video encoder (2005-11-01),
10. 6956901 - Control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel (2005-10-18),
11. 6956899 - Precise bit control apparatus with look-ahead for MPEG encoding (2005-10-18),
12. 6941025 - Simultaneous vertical spatial filtering and chroma conversion in video images (2005-09-06),
13. 6895048 - Adaptive encoding of a sequence of still frames or partially still frames within motion video (2005-05-17),
14. 6859496 - Adaptively encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel (2005-02-22),
15. 6823015 - Macroblock coding using luminance date in analyzing temporal redundancy of picture, biased by chrominance data (2004-11-23),

Title: The Innovative Contributions of Agnes Yee Ngai

Introduction

Agnes Yee Ngai, based in Endwell, NY, has made significant strides in the field of technology and engineering, boasting an impressive total of 51 patents. Her contributions span various aspects of data processing and image technology, solidifying her reputation as an influential inventor.

Latest Patents

Ngai's latest patents include innovations such as a "Cascaded output for an encoder system using multiple encoders." This groundbreaking technology allows for plural encoders operating in parallel to achieve a desired data rate. The respective outputs are combined by an autonomously operating arrangement for efficient data transfer to a direct memory access system. Importantly, this innovation addresses issues like buffering and the suppression of zero bytes to enhance signal quality.

Additionally, Ngai holds a patent for a "System and method for processing a high definition television (HDTV) image." This invention features a system where multiple programmable encoders are connected directly to an HDTV video source, allowing each encoder to process only a portion of the full image at a high frequency. This advancement has significant implications for improving HDTV image quality and processing efficiency.

Career Highlights

Ngai's career has flourished during her time at International Business Machines Corporation (IBM), where she has contributed to numerous projects that advance technology and innovation. Her role at IBM has allowed her to explore cutting-edge developments in data encoding and multimedia processing, showcasing her expertise in the field.

Collaborations

Throughout her career, Agnes Yee Ngai has collaborated with esteemed colleagues, including Barbara A Hall and Edward Francis Westermann. These partnerships have fostered an environment of creativity and innovation, resulting in numerous successful projects and patents that have impacted the technology landscape.

Conclusion

Agnes Yee Ngai continues to be a prominent figure in the realm of technology and innovation. With her extensive portfolio of patents and impactful collaborations, she exemplifies the spirit of invention and the pursuit of excellence in engineering. Her work not only enhances current technologies but also paves the way for future advancements in the industry.

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