Location History:
- Kawasaki, JP (1985 - 1988)
- Tokyo, JP (1986 - 1998)
- Omiya, JP (2001)
- Yokohama, JP (1988 - 2007)
- Kanagawa, JP (2006 - 2007)
Company Filing History:
9 out of 90,753 
2 out of 10,264 
2 out of 68 
Years Active: 1985-2007
Title: Kazuo Iizuka: Innovator in Optical Technology
Introduction
Kazuo Iizuka is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to optical technology. With a remarkable portfolio of 15 patents, Iizuka has established himself as a leader in innovation, particularly in the fields of optical fiber and projection exposure systems.
Latest Patents
One of Iizuka's latest innovations is the **Optical Fiber Fusion Splicer**. This device features a pair of electric discharge electrodes positioned opposite each other along a designated axis. It includes a conductor electrode located on one side relative to a plane that incorporates the predetermined axis, as well as a section designed to generate electrostatic attraction directing from the plane toward the conductor electrode. This technology enables the fusion-splicing of optical fibers through electric discharge, ensuring precision and efficiency in fiber optic connections.
Another notable patent is for the **Projection Exposure Mask, Projection Exposure Apparatus, and Projection Exposure Method**. This invention consists of a projection exposure mask that includes both a first mask pattern for continuous pattern formation and a second mask pattern for discontinuous pattern creation. One of these patterns is a reflecting type, while the other is a transmitting type, enhancing versatility and application in semiconductor manufacturing processes.
Career Highlights
Kazuo Iizuka has had a successful career, working with reputable firms such as Canon and Sumitomo Electric Industries, Limited. His work at these organizations has allowed him to push the boundaries of optical technology and enhance the capabilities of various imaging and exposure systems.
Collaborations
Throughout his career, Iizuka has collaborated with talented individuals like Masao Kosugi and Junji Isohata. These collaborations have contributed to the advancement of his projects and the development of innovative optical solutions that address complex challenges within the industry.
Conclusion
Kazuo Iizuka's contributions to optical technology, marked by his numerous patents, showcase his inventive spirit and dedication to enhancing technology. His latest innovations, particularly in optical fiber splicing and projection exposure methods, exemplify his commitment to advancing the field and improving the efficiency of optical systems in various applications. With a strong foundation in both collaboration and career achievements, Iizuka continues to inspire future generations of inventors and technologists.