Company Filing History:
Years Active: 1991-1992
Title: **Shozo Saekusa: Innovator in Optical Technologies**
Introduction
Shozo Saekusa is a notable inventor hailing from Ibaraki, Japan, recognized for his contributions to optical technology. With a portfolio of two patents, he has made significant strides in the field of optical information reading apparatuses and objective lens driving mechanisms.
Latest Patents
Saekusa's latest patents showcase his innovative approach to optical technology. One of his key inventions is the **Optical Information Reading Apparatus with Waveguide and Diffraction**. This apparatus is designed to read information from optical recording disks using a light beam emitted from a semiconductor laser. It incorporates features such as a substrate, a semiconductor laser beam positioned at one end, and an optical waveguide that guides the laser beam. It includes a first diffraction grating to diffract the guided beam and a second diffraction grating that compensates for changes in the diffraction angle due to variations in the laser's wavelength. This intelligent design remarkably suppresses fluctuations in the diffraction angle of the laser beam during operation.
Another significant invention is the **Objective Lens Driving Apparatus**, which features a base equipped with focusing and tracking permanent magnets. This innovative system includes a supporting shaft and a lens holder that maintains the objective lens. The lens holder is designed to allow for rotation and sliding motion, facilitated by focusing and tracking coils. Saekusa's design includes a series of elastic members that provide stability and functionality to the mechanism, showcasing his innovative engineering techniques.
Career Highlights
Shozo Saekusa is associated with Hitachi, Ltd., where he has been instrumental in advancing optical technology through his inventions. His work has not only contributed to the progress of optical information systems but also enhanced the effectiveness of various imaging solutions utilized in technology today.
Collaborations
During his career, Saekusa has collaborated with several esteemed colleagues, including Hidehiko Kando and Seiichi Katoh. Together, they have contributed to the innovation landscape within the company, furthering research and development efforts in optical technologies.
Conclusion
Shozo Saekusa's contributions to optical technology through his patents reflect a profound understanding and application of advanced engineering principles. His innovative solutions continue to impact the industry positively, making him a noteworthy figure in the realm of inventions and innovations in Japan.