Yokohama, Japan

Kiyoshi Tamai

This inventor holds 2 USPTO granted patents. Top assignee: Optrex Corporation. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Tamai. Retrieved from https://idiyas.com/inventor/kiyoshi-tamai-fs3dedn0

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 = 4.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Yokohama, JP (2002)
  • Kanagawa, JP (2002)

Company Filing History:


Years Active: 2002

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

Title: Kiyoshi Tamai: Innovator in Liquid Crystal Display Technology

Introduction

Kiyoshi Tamai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of two patents to his name, Tamai's work has had a lasting impact on the industry.

Latest Patents

Tamai's latest patents include a method of driving passive matrix liquid crystal displays. This method involves driving under specific conditions related to the total number of row electrodes and the maximum magnifying power of a column voltage. His second patent focuses on a driving device and liquid crystal display device, which incorporates a complex system of controllers, memory, and various circuits to enhance the performance of liquid crystal panels.

Career Highlights

Kiyoshi Tamai has spent a significant portion of his career at Optrex Corporation, where he has been instrumental in advancing LCD technology. His innovative approaches have contributed to the development of more efficient and effective display systems.

Collaborations

Throughout his career, Tamai has collaborated with notable colleagues such as Akira Nakazawa and Masakazu Kitamura. These partnerships have fostered a creative environment that has led to groundbreaking advancements in the field.

Conclusion

Kiyoshi Tamai's contributions to liquid crystal display technology exemplify the spirit of innovation. His patents and collaborative efforts continue to influence the industry, showcasing the importance of creativity and teamwork in technological advancement.

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…