Company Filing History:
Years Active: 1991-1993
Title: Yasuji Nagata: Innovator in Optical Technologies
Introduction
Yasuji Nagata is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of optical technologies, holding a total of 3 patents. His work primarily focuses on advancements in scanning probe microscopy and optical information recording mediums.
Latest Patents
Nagata's latest patents include a cantilever for a scanning probe microscope and a method of manufacturing it. This cantilever features a lever section and a probe section located near its free end. The probe section is designed with a conical distal end portion that has a narrow point angle, along with a bulging proximal end portion that is continuous with the distal end. The manufacturing process utilizes semiconductor technology.
Another notable patent is for an erasable optical information recording medium. This medium consists of a transparent substrate and a recording layer supported by it. The recording layer includes a thin film of at least one polydiacetylene with side chains. This polydiacetylene can undergo a reversible planar-nonplanar transition in its main chain structure due to conformational changes in the side chains when exposed to light. This innovative feature allows for the recording and erasing of information by changing the optical properties of the recording layer.
Career Highlights
Yasuji Nagata is currently associated with Olympus Optical Company, Ltd., where he continues to develop cutting-edge technologies. His work has significantly impacted the field of optical devices and materials.
Collaborations
Nagata has collaborated with notable colleagues, including Toshiyuki Kanno and Naoyuki Ueno. Their combined expertise has contributed to the advancement of optical technologies.
Conclusion
Yasuji Nagata's innovative work in optical technologies and his contributions to the field through his patents highlight his role as a leading inventor. His advancements in scanning probe microscopy and optical recording mediums continue to influence the industry.