Location History:
- Fukuyama, JP (1991)
- Kamakura, JP (1997)
Company Filing History:
Years Active: 1991-1997
Title: Shigeo Tsuda: Innovator in Organic Photoconductors and LED Technology
Introduction
Shigeo Tsuda is a notable inventor based in Fukuyama, Japan. He has made significant contributions to the fields of organic photoconductors and light-emitting diode (LED) technology. With a total of 2 patents to his name, Tsuda's work has had a considerable impact on modern electronic devices.
Latest Patents
One of Tsuda's latest patents is for a positive charge type organic photoconductive layer. This invention involves a photoconductor with a film thickness ranging from 10 to 30 micrometers, containing 15 to 40% by weight of a phthalocyanine type photoconductive compound in a resin binder. The surface of this photoconductor is treated with a reactive monomer or oligomer that can extinguish ionic active and radical active parts. Another significant patent is for a light-emitting diode array. In this LED array, an opaque layer is provided on a semiconductor body with PN junctions. The design includes small diameter through holes formed in the opaque layer, allowing light generated at the PN junctions to be emitted only through these holes in the form of photobeams. This LED array can be utilized in electronic printers for photography without the need for a self-focus lens array.
Career Highlights
Shigeo Tsuda is associated with Mitsubishi Electric Corporation, where he has been able to apply his innovative ideas in practical applications. His work has contributed to advancements in electronic components that are essential for various technologies.
Collaborations
Throughout his career, Tsuda has collaborated with talented individuals such as Takafumi Nishioka and Sei Tsunoda. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Shigeo Tsuda's contributions to organic photoconductors and LED technology highlight his role as a significant inventor in the field. His patents reflect a commitment to advancing technology and improving electronic devices.