Location History:
- Koto, JP (1987)
- Funabashi, JP (1990)
- Tokyo, JP (1982 - 2001)
Company Filing History:
11 out of 127 
5 out of 2,899 
2 out of 53 
Years Active: 1982-2001
Title: Innovations of Koji Iwasa: Pioneering Displays and Color Filters
Introduction
Koji Iwasa, based in Tokyo, Japan, is a prominent inventor known for his remarkable contributions to the field of display technologies, possessing a total of 19 patents. His innovative work primarily focuses on ferroelectric liquid crystal displays and color manufacturing processes, showcasing his expertise and commitment to advancing technology.
Latest Patents
Among Koji Iwasa's latest patents is a novel **Ferroelectric Liquid Crystal Display Device** having an A.C. holding voltage. This groundbreaking device utilizes a ferroelectric liquid crystal, specifically a chiral smectic liquid crystal, to establish two bi-stable display states. The unique design allows the display device to operate in a time-sharing mode, enabling a seamless transition between display states by applying a selected voltage to the liquid crystal. Once the desired display state is achieved, it is maintained by applying an A.C. pulse voltage.
Another significant patent is the **Method for Manufacturing a Color Filter**. This invention outlines a streamlined process for creating high-quality color patterns. It involves forming a conductive film with an arbitrary pattern on a substrate, followed by electrodeposition to add a colored layer. A method film is then applied on top of the colored layer to shield unwanted light transmittance, resulting in efficient color filters produced through a remarkably simple method.
Career Highlights
Throughout his career, Koji Iwasa has contributed significantly to the technological advancements at Seiko Instruments & Electronics Ltd. and Seiko Instruments Inc. His work in these reputable companies has further cemented his status as an innovator in the field of electronics and display technologies.
Collaborations
Iwasa has collaborated with notable peers in the industry, including Mitsuru Suginoya and Hitoshi Kamamori. These partnerships have fostered a creative environment that promotes the exchange of ideas and accelerates the development of cutting-edge technologies.
Conclusion
Koji Iwasa’s contributions to the realm of ferroelectric displays and color filter manufacturing underscore his importance as an inventor. His innovative patents reflect a deep understanding of electronic applications and a commitment to advancing display technology. As the industry continues to evolve, Iwasa's groundbreaking work is sure to influence future innovations in the field.