Location History:
- Ina, JP (1987)
- Tokyo, JP (1986 - 1988)
- Hachiouji, JP (1991 - 1994)
Company Filing History:
6 out of 5,729 
1 out of 14 Years Active: 1986-1994
Title: Masaaki Yamagishi: Innovator in Stereomicroscope Technology
Introduction
Masaaki Yamagishi is a notable inventor based in Hachiouji, Japan. He has made significant contributions to the field of optical technology, particularly in the development of stereomicroscopes. With a total of 7 patents to his name, Yamagishi's work has advanced the capabilities of optical instruments used in various scientific applications.
Latest Patents
Yamagishi's latest patents include innovative designs for stereomicroscopes. One of his patents describes a stereomicroscope wherein the distance between a pair of beams remains constant. This design features an objective lens, a variable magnification optical system, and a splitting optical system that divides emergent light into multiple optical paths. The eyepiece is designed with a diameter larger than the interpupil distance of an observer, allowing for easy adjustments and enabling multiple observers to make observations simultaneously. This design minimizes eyestrain that may occur due to differences in magnification between images in a bilateral observation optical system.
Another patent focuses on a stereomicroscope that includes a single variable magnification optical system. Similar to the previous design, it incorporates an objective lens and a splitting optical system. This innovation also allows for easy adjustments and supports the mounting of photographic and TV devices, enhancing the versatility of the microscope for various observational needs.
Career Highlights
Throughout his career, Masaaki Yamagishi has worked with prominent companies in the optical industry. He has been associated with Olympus Optical Company, Ltd. and Kikusui Electronics Corporation. His experience in these organizations has contributed to his expertise in optical technology and innovation.
Collaborations
Yamagishi has collaborated with notable coworkers such as Toyoharu Hanzawa and Kimihiko Nishioka. Their collective efforts have furthered advancements in the field of optical instruments.
Conclusion
Masaaki Yamagishi's contributions to stereomicroscope technology have significantly impacted the field of optical instruments. His innovative designs and patents continue to influence how observations are made in scientific research.