Shuji Kubota

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Telegraph and Telephone Corporation, Nec Corporation. Active years: 1989-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuji Kubota. Retrieved from https://idiyas.com/inventor/shuji-kubota

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 286(Granted Patents)

Location History:

Yokohama, JP (1989)
Yokosuka, JP (1994)
Kanagawa, JP (1994 - 1997)

Company Filing History:

4 out of 5,300

Nippon Telegraph and Telephone Corporation

where one patent can have more than one assignee

Years Active: 1989-1997

Loading Chart...

5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5633599 - Semiconductor integrated circuit with a test circuit for input buffer (1997-05-27),

2. 5384809 - Error control coding arrangement for digital communications system (1995-01-24),

3. 5327441 - Method and circuit for decoding convolutional codes (1994-07-05),

4. 5280537 - Digital communication system using superposed transmission of high speed (1994-01-18),

5. 4805174 - Error correcting coder/decoder (1989-02-14),

Title: The Innovations of Shuji Kubota

Introduction

Shuji Kubota is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work has had a profound impact on digital communications and integrated circuit design.

Latest Patents

One of his latest patents is a semiconductor integrated circuit with a test circuit for input buffer. This invention includes a circuit designed to test the threshold voltage of an input buffer. It connects the output nodes of two logic gates to a common signal line, allowing for the detection of malfunctions in the input buffer by monitoring power supply current. Another significant patent is an error control coding arrangement for digital communications systems. This invention utilizes a serial-parallel converter to transform an information sequence into multiple bit sequences, which are then processed by convolutional encoders to enhance communication reliability.

Career Highlights

Shuji Kubota has worked with prominent companies such as Nippon Telegraph and Telephone Corporation and NEC Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Throughout his career, Kubota has collaborated with esteemed colleagues, including Shuzo Kato and Takatoshi Sugiyama. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Shuji Kubota's contributions to semiconductor technology and digital communications are noteworthy. His innovative patents reflect his expertise and commitment to advancing the field. His work continues to influence the industry and inspire future innovations.

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]