Location History:
- Nishinomiya, JP (1989)
- Hyogo, JP (1992 - 1993)
- Hyogo-ken, JP (1999)
- Amagasaki, JP (1992 - 2000)
Company Filing History:
11 out of 21,351 
3 out of 6,896 Years Active: 1989-2000
Title: Hiroshi Koezuka: Innovator in Liquid Crystal Display Technology
Introduction
Hiroshi Koezuka is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 11 patents. His innovative methods have paved the way for advancements in display devices.
Latest Patents
Koezuka's latest patents include a method of making a liquid crystal display that incorporates a field effect. This method involves several steps, such as forming a gate electrode on an electrically insulating substrate and creating source and drain electrodes on opposite sides of the gate electrode. Additionally, he has developed a method for fabricating a field effect transistor, which also includes forming a semiconducting film of a π-conjugated polymer.
Career Highlights
Throughout his career, Koezuka has worked with notable companies, including Mitsubishi Electric Corporation and Sumitomo Chemical Company, Limited. His experience in these organizations has contributed to his expertise in the field of electronics and display technologies.
Collaborations
Koezuka has collaborated with esteemed colleagues such as Akira Tsumura and Hiroyuki Fuchigami. Their joint efforts have further advanced the research and development of innovative technologies in the industry.
Conclusion
Hiroshi Koezuka's contributions to liquid crystal display technology and field effect transistors highlight his role as a leading inventor in the field. His work continues to influence advancements in display devices and semiconductor technologies.