This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Liquid Crystal Displays. Top assignees: Sharp Kabushiki Kaisha Corporation, Au Optronics Corporation, Fujitsu Corporation. Active years: 2005-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kameyama, JP (2009)
- Katsuragi, JP (2010)
- Kawasaki, JP (2005 - 2013)
- Osaka, JP (2014 - 2015)
Company Filing History:
15 out of 25,982 
5 out of 4,577 
5 out of 39,378 
Years Active: 2005-2015
Areas of Expertise:
Title: Seiji Doi: Pioneer in Liquid Crystal Display Technology
Introduction
Seiji Doi, based in Kawasaki, Japan, is a prominent inventor known for his significant contributions to the field of liquid crystal display technology. With an impressive portfolio of 22 patents, Doi has established himself as a leading figure in the development and innovation of display devices that enhance visual technology.
Latest Patents
One of Doi's notable recent patents is for a liquid crystal display device and its fabrication method. This invention details a device comprising first and second substrates with a liquid crystal layer sealed between them. The structure includes a pixel electrode and a counter electrode, each covered by orientation films that align liquid crystal molecules in various directions when a driving voltage is applied. The design features intricate micro-electrode patterns that extend in multiple unique directions, allowing for improved control of liquid crystal orientation in display technologies. Another patent by Doi also addresses the same kind of liquid crystal display device, with added emphasis on micro structures and rough structural patterns that enhance performance and efficiency.
Career Highlights
Throughout his career, Seiji Doi has worked with notable companies in the technology sector, including Sharp Corporation and Fujitsu Corporation. He has contributed to innovative projects, focusing on advancing the functionality and usability of liquid crystal displays, making them integral to modern electronics.
Collaborations
Doi's work has also been enriched by collaborations with talented professionals in the field. Notably, he has teamed up with Tetsuya Fujikawa and Takashi Takagi, both of whom have contributed to the research and development of state-of-the-art display technologies, which have had a lasting impact on the industry.
Conclusion
Seiji Doi's contributions to the field of liquid crystal displays are invaluable. His 22 patents mark significant innovations that advance display technology, supporting the growth of a sector that is increasingly critical to everyday life. With continuous developments and collaborations, Doi remains a key player in shaping the future of visual technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile