Location History:
- Sagamihara, JP (1997)
- Kanagawa-ken, JP (2000)
- Yokohama, JP (2003)
- Machida, JP (2003)
Company Filing History:
5 out of 164,244 
1 out of 1,441 Years Active: 1997-2003
Title: The Innovative Journey of Fumihisa Hanzawa
Introduction
Fumihisa Hanzawa, an accomplished inventor based in Machida, Japan, has made significant contributions to the field of display technology. With a total of five patents to his name, his work primarily focuses on enhancing liquid crystal displays and their associated components.
Latest Patents
Hanzawa's latest innovations include two notable patents. The first patent describes a liquid crystal display that integrates a light guide positioned at the back of the display panel. This invention features a first fluorescent tube along at least one side of the light guide and a second fluorescent tube adjacent to the first. It also includes a shielding component designed to minimize light interference between the tubes, effectively reducing the deterioration of luminance in the backlight of the display.
The second patent details a direct-light-type planar light source apparatus and liquid crystal display device. This device comprises a front frame, rear frame, and a light source, which can be easily detached for maintenance. This arrangement not only streamlines maintenance but also allows for narrower frames in the liquid crystal display design. The use of a diffusion plate between the frames enhances light distribution, while removable fasteners on the side faces promote easy assembly and disassembly.
Career Highlights
Hanzawa's career includes tenures at prominent companies such as International Business Machines Corporation (IBM) and Stanley Electric Co., Ltd. His experiences at these industry leaders have significantly influenced his inventive pursuits, allowing him to develop technologies that push the boundaries of display functionality and efficiency.
Collaborations
Throughout his career, Hanzawa has collaborated with notable colleagues, including Masaru Suzuki and Mikio Kurihara. Their combined expertise has contributed to the advancement of Hanzawa’s innovative projects, fostering a culture of creativity and teamwork within the realm of technology.
Conclusion
Fumihisa Hanzawa remains a pivotal figure in the world of liquid crystal display innovation. His patents not only reflect his technical expertise but also his commitment to improving visual technology. As he continues to develop new inventions, Hanzawa exemplifies the spirit of ingenuity that drives modern advancements in display systems.