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For the Inventor, By the Inventor

Tokyo, Japan

Hachiro Fujita

This inventor holds 10 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 2000-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hachiro Fujita. Retrieved from https://idiyas.com/inventor/hachiro-fujita

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

USPTO Granted Patents = 10

% Patents Active = 70.0

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 159(Granted Patents)


Company Filing History:

goldMedal10 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 2000-2007

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10 patents (USPTO):Explore Patents
1. 7239673 - Optical reception apparatus (2007-07-03),
2. 7185259 - Decoding method and decoding apparatus of product code (2007-02-27),
3. 7069496 - Decoding method, decoding apparatus and digital transmission system of product code (2006-06-27),
4. 6912684 - Error correction encoding method and apparatus, and error correction decoding method and apparatus (2005-06-28),
5. 6757865 - Turbo-code error correcting decoder, turbo-code error correction decoding method, turbo-code decoding apparatus, and turbo-code decoding system (2004-06-29),
6. 6658605 - Multiple coding method and apparatus, multiple decoding method and apparatus, and information transmission system (2003-12-02),
7. 6625778 - Turbo error-correcting decoder and turbo error-correcting decoding method (2003-09-23),
8. 6145112 - Error correcting method and apparatus (2000-11-07),
9. 6131178 - Error correcting decoding apparatus of extended Reed-Solomon code, and (2000-10-10),
10. 6108811 - Error-correcting decoder continuously adding flag signals to locations (2000-08-22),

Title: Hachiro Fujita: Innovator in Optical Reception Technology

Introduction

Hachiro Fujita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical reception technology, holding a total of 10 patents. His work has been instrumental in advancing the quality and efficiency of optical communication systems.

Latest Patents

Fujita's latest patents include an innovative optical reception apparatus. This apparatus features a soft-decision deciding unit that processes an electric received signal through multiple decision levels, resulting in a multivalued decision signal. Additionally, it incorporates a demultiplexing unit for converting this signal into a multivalued parallel signal. A soft-decision error correction decoding unit is also included, which enhances the reliability of the received signal. Another notable patent is a decoding method and apparatus for product codes, which efficiently calculates soft output values for codewords, improving the overall decoding process.

Career Highlights

Fujita is currently employed at Mitsubishi Electric Corporation, where he continues to innovate and develop cutting-edge technologies. His expertise in optical reception has positioned him as a key figure in the industry, contributing to advancements that benefit various applications in telecommunications.

Collaborations

Throughout his career, Fujita has collaborated with notable colleagues such as Hideo Yoshida and Takahiko Nakamura. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hachiro Fujita's contributions to optical reception technology exemplify his dedication to innovation and excellence. His patents and collaborative efforts continue to shape the future of telecommunications, making a lasting impact on the industry.

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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