Kawasaki, Japan

Tetsuo Nishikawa

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1989-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Nishikawa. Retrieved from https://idiyas.com/inventor/tetsuo-nishikawa-7zpe7hco

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 61(Granted Patents)


Location History:

  • Kawasaki, JP (1989 - 1990)
  • Odawara, JP (1993)

Company Filing History:


Years Active: 1989-1993

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Tetsuo Nishikawa: Innovator in Charge Coupled Devices

Introduction

Tetsuo Nishikawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, particularly in charge coupled devices (CCDs). With a total of 3 patents, his work has had a lasting impact on image sensor technology.

Latest Patents

Nishikawa's latest patents include a charge coupled device and a method of producing the same. This innovative CCD features a charge storage region and a potential barrier region, utilizing a combination of n-type and p-type semiconductors. The design includes a first layer of a first conductivity type semiconductor, a second layer of a second conductivity type semiconductor, and a third layer that forms the potential barrier region. Additionally, he has developed an image sensor that allows for thinner field isolation between arrayed picture cells, enhancing the density of integration of the picture cells.

Career Highlights

Tetsuo Nishikawa has spent a significant part of his career at Fujitsu Corporation, where he has been instrumental in advancing semiconductor technologies. His expertise in CCDs and image sensors has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Nishikawa has collaborated with notable colleagues, including Akira Takei and Eiichi Nagai. These partnerships have contributed to the development of innovative technologies in the field.

Conclusion

Tetsuo Nishikawa's contributions to the field of semiconductor technology, particularly in charge coupled devices and image sensors, highlight his role as a leading inventor. His work continues to influence advancements in imaging technology, showcasing the importance of innovation in this sector.

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]
Loading…