This inventor holds 3 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Kasei Limited, Sharp Kabushiki Kaisha Corporation. Active years: 1991-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 39,374 
2 out of 6 
1 out of 25,954 
Years Active: 1991-2006
Title: Innovations by Kazumasa Kaiwa: Pioneering Light Source Technologies
Introduction
Kazumasa Kaiwa, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of light source devices and display technologies. With a commendable portfolio of three patents, his inventions stand out for their innovative approaches and technical advancements.
Latest Patents
Among his latest innovations is a light source device that includes discharge tubes designed to emit light through a discharge process in a thin atmosphere. This invention also details a method for producing the light source device and a display apparatus where this light source device is utilized. Key features of this device include a heat conductive member that cools the area surrounding the electrodes of the discharge tubes, effectively enhancing the luminance and reliability of the entire apparatus. Another notable patent pertains to a liquid crystal display device with an optimized ridged layer. This design showcases a planar illumination unit, incorporating an optical guide layer and various components that optimize light injection, scattering, and reflection.
Career Highlights
Kazumasa Kaiwa has had an impressive career, having worked for prominent companies such as Fujitsu Corporation and Fujitsu Kasei Limited. His tenure at these organizations has allowed him to hone his skills and contribute to substantial advancements in light source technology.
Collaborations
Throughout his career, Kazumasa has collaborated with various talented individuals, including Akira Tanaka and Masahiro Tomatsu. These partnerships have played a crucial role in the development of his innovations, fostering an environment of creativity and technological advancement.
Conclusion
Kazumasa Kaiwa's work exemplifies the spirit of innovation in the field of light sources and display technologies. His patented inventions demonstrate a commitment to enhancing the performance and reliability of optical devices, making a lasting impact on the industry. As he continues to develop new technologies, Kazumasa remains a key figure in the realm of modern invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile