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For the Inventor, By the Inventor

San Jose, CA, United States of America

Glen G Langdon, Jr

This inventor holds 16 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Glen G Langdon, Jr. Retrieved from https://idiyas.com/inventor/glen-g-langdon-jr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 15

Forward Citations = 784(Granted Patents)


Location History:

  • San Jose, CA (US) (1978 - 1992)
  • Aptos, CA (US) (1993 - 1998)

Company Filing History:

goldMedal16 out of 166,351 
 
International Business Machines Corporation
 patents

Years Active: 1978-1998

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16 patents (USPTO):Explore Patents
1. 5774081 - Approximated multi-symbol arithmetic coding method and apparatus (1998-06-30),
2. 5546080 - Order-preserving, fast-decoding arithmetic coding arithmetic coding and (1996-08-13),
3. 5270712 - Sort order preserving method for data storage compression (1993-12-14),
4. 5097261 - Data compression for recording on a record medium (1992-03-17),
5. 4905297 - Arithmetic coding encoder and decoder system (1990-02-27),
6. 4749983 - Compression of multilevel signals (1988-06-07),
7. 4566044 - Direction-constrained ternary codes using peak and polarity detection (1986-01-21),
8. 4494108 - Adaptive source modeling for data file compression within bounded memory (1985-01-15),
9. 4467317 - High-speed arithmetic compression coding using concurrent value updating (1984-08-21),
10. 4463342 - Method and means for carry-over control in the high order to low order (1984-07-31),
11. 4295125 - Method and means for pipeline decoding of the high to low order pairwise (1981-10-13),
12. 4286256 - Method and means for arithmetic coding utilizing a reduced number of (1981-08-25),
13. 4225861 - Method and means for texture display in raster scanned color graphic (1980-09-30),
14. 4181952 - Method and means for minimizing error between the manual digitizing of (1980-01-01),
15. 4149184 - Multi-color video display systems using more than one signal source (1979-04-10),

Title: Glen G Langdon, Jr: Pioneering Innovator in Data Compression

Introduction:

Glen G Langdon, Jr, a renowned inventor based in San Jose, CA, has made significant contributions to the field of data compression. With a total of 16 patents to his name, Langdon's innovative work has revolutionized the way data is encoded and decoded.

Latest Patents:

Langdon's latest patents include the "Approximated Multi-Symbol Arithmetic Coding Method and Apparatus," a groundbreaking technique that combines Arithmetic and Huffman coding to compress and decompress data efficiently. Additionally, his "Order-Preserving, Fast-Decoding Arithmetic Coding" method enhances computational efficiency and preserves lexical order in m-ary alphabets.

Career Highlights:

Langdon is currently associated with the prestigious International Business Machines Corporation (IBM), where he continues to spearhead cutting-edge research in data compression technologies. His expertise and dedication have cemented his reputation as a leading figure in the industry.

Collaborations:

Throughout his illustrious career, Langdon has collaborated with esteemed professionals such as Jorma J Rissanen and Robin Williams. These partnerships have led to the development of innovative solutions that have pushed the boundaries of data compression capabilities.

Conclusion:

In conclusion, Glen G Langdon, Jr stands out as a visionary inventor whose inventive spirit and technical prowess have propelled the field of data compression forward. His pioneering work continues to inspire and shape the future of information technology, making him a true pioneer in the realm of innovations and patents.

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Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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