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For the Inventor, By the Inventor

Hadano, Japan

Kei Kudou

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Kudou. Retrieved from https://idiyas.com/inventor/kei-kudou

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

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 66(Granted Patents)


Company Filing History:

goldMedal2 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 2002

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2 patents (USPTO):Explore Patents
1. 6438166 - Method and a apparatus for controlling a bit rate of picture data, and a storage medium which stores a program for controlling the bit rate (2002-08-20),
2. 6339760 - Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data (2002-01-15),

Title: Kei Kudou - Innovator in Picture Data Control

Introduction

Kei Kudou is a notable inventor based in Hadano, Japan. He has made significant contributions to the field of data compression and synchronization in audio and video technologies. With a total of 2 patents, his work focuses on enhancing the quality of moving picture reproduction and audio data editing.

Latest Patents

Kudou's latest patents include a method and apparatus for controlling the bit rate of picture data. This innovation aims to prevent deterioration in the reproduction quality of moving pictures caused by varying data transfer rates for each frame. By predicting the bit rate of compressed data, he derives a prediction value that ensures the data transfer rate remains within a pre-set range. The modification of picture data is achieved by writing a pattern for adjustment into the frames of the original picture.

Another significant patent is a method and system for synchronizing decoded audio and video by adding dummy data to compressed audio data. This method involves creating a header portion that indicates the start of an audio unit to be decoded, along with composite elements that match the audio data to which dummy data is added. The system is designed to execute this editing method effectively.

Career Highlights

Kei Kudou is currently employed at Hitachi, Ltd., where he continues to innovate in the field of data technology. His work has been instrumental in advancing methods for data compression and synchronization, which are critical in today's digital media landscape.

Collaborations

Kudou collaborates with Eriko Koda, contributing to the development of innovative solutions in their field. Their partnership exemplifies the importance of teamwork in driving technological advancements.

Conclusion

Kei Kudou's contributions to the field of data control and synchronization have made a significant impact on the quality of audio and video technologies. His innovative patents reflect his commitment to enhancing user experience in digital media.

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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