Company Filing History:

18 out of 58,129

Sony Corporation

where one patent can have more than one assignee

Years Active: 1987-2010

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7724820 - Method of real time MPEG-4 texture decoding for a multiprocessor environment (2010-05-25),

2. 7426462 - Fast codebook selection method in audio encoding (2008-09-16),

3. 7136541 - Method of performing sub-pixel based edge-directed image interpolation (2006-11-14),

4. 6931061 - Method of real time MPEG-4 texture decoding for a multiprocessor environment (2005-08-16),

5. 6052705 - Video signal processor with triple port memory (2000-04-18),

6. 6038350 - Signal processing apparatus (2000-03-14),

7. 5926583 - Signal processing apparatus (1999-07-20),

8. 5864706 - Digital signal processing apparatus and information processing system (1999-01-26),

9. 5850268 - Parallel processor apparatus (1998-12-15),

10. 5689450 - Parallel processor (1997-11-18),

11. 5666169 - Parallel processor apparatus having means for processing signals of (1997-09-09),

12. 5521855 - Multiplying circuit (1996-05-28),

13. 5389923 - Sampling rate converter (1995-02-14),

14. 5134579 - Digital adder circuit (1992-07-28),

15. 4862403 - Digital filter (1989-08-29),

Title: **Takao Yamazaki: Innovator in Video and Audio Technology**

Introduction

Takao Yamazaki, a prominent inventor based in Kanagawa, Japan, is known for his significant contributions to the fields of video and audio technology. With a remarkable portfolio of 18 patents, he has played a key role in advancing multimedia processing technologies.

Latest Patents

Yamazaki's latest innovations include two groundbreaking patents that showcase his expertise in video decoding and audio encoding. The first patent, titled "Method of real-time MPEG-4 texture decoding for a multiprocessor environment," describes an innovative apparatus and method for performing texture-decoding within a video decoder. This method efficiently processes a series of macroblocks in a video bit-stream, particularly suited for decoders with multiple processors. It optimizes the separation of data independent and data dependent operations, significantly reducing computational overhead.

The second patent, "Fast codebook selection method in audio encoding," outlines a novel approach to selecting optimal Huffman codebooks based on the largest absolute value within a group of data. This method enhances audio encoding efficiency by determining a size difference value and selecting the best codebook from associated tables, leading to improved encoding performance.

Career Highlights

Throughout his career, Takao Yamazaki has held pivotal roles in renowned companies, including Sony Corporation and Sony Electronics Inc. These positions allowed him to refine his expertise in multimedia technology and apply his inventive skills to real-world applications.

Collaborations

Yamazaki has collaborated with notable colleagues, such as Masuyoshi Kurokawa and Seiichiro Iwase. These partnerships have facilitated the exchange of knowledge and ideas, further enhancing the innovative landscape of technology that Yamazaki engages with.

Conclusion

Takao Yamazaki's impressive body of work not only highlights his capabilities as an inventor but also underscores his impact on the evolution of video and audio technologies. His forward-thinking patents promise to continue influencing the industry, paving the way for advancements in multimedia processing.

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