Company Filing History:
Years Active: 2012-2013
Title: Yojiro Sumi: Innovator in Optical Technology
Introduction
Yojiro Sumi is a notable inventor based in Kanagawa, Japan, recognized for his contributions to optical technology. With a total of three patents to his name, Sumi has made significant advancements in the field of reproducing devices and recording media.
Latest Patents
One of Sumi's latest patents is a reproducing device that features a homodyne detection part. This device utilizes reflected light from a recording layer as signal light and reflected light from a mirror as reference light. The signal reproducing part obtains a reproduced signal based on the results of homodyne detection. Additionally, the device includes a one-axis actuator that drives the mirror, along with an optical path length servo control part that maintains a constant optical path length difference between the signal light and reference light. Another patent involves a recording medium that consists of a photosensitive layer and a nonphotosensitive layer. This innovative medium allows for the recording and reproduction of information through focused light.
Career Highlights
Yojiro Sumi has worked with prominent companies, including Sony Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Sumi has collaborated with notable coworkers such as Kimihiro Saito and Takahiro Miura. Their joint efforts have likely played a role in advancing the projects they have worked on together.
Conclusion
Yojiro Sumi's work in optical technology and his innovative patents highlight his significant contributions to the field. His collaborations and career at leading companies like Sony further emphasize his impact on the industry.