Location History:
- Hachioji, JP (1986)
- Tokyo, JP (1989 - 1990)
Company Filing History:
Years Active: 1986-1990
Title: Tadafumi Fujihara: Innovator in Optical Technology
Introduction
Tadafumi Fujihara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of optical devices, particularly in microscopy.
Latest Patents
Fujihara's latest patents include an innovative automatic focusing method. This method involves an automatic focusing apparatus that utilizes a peak stop system. It performs focusing adjustments by measuring contrast while moving an objective lens or an object stepwise along the optical axis. The system stores the contrast measured at each position and compares it to determine the position of maximum contrast accurately.
Another notable patent is his illuminating device for microscopes. This device is designed for long-term use in enclosed spaces and allows for various modes of illumination. It features a surface light source with multiple semiconductor light sources arranged in two dimensions. The control circuit selectively lights these sources based on the chosen illumination mode, enabling simultaneous observation of samples in different lighting conditions.
Career Highlights
Fujihara is currently associated with Olympus Optical Company, Ltd., a leading firm in the optical and imaging industry. His work at Olympus has allowed him to push the boundaries of optical technology, contributing to advancements that benefit researchers and professionals in various fields.
Collaborations
Throughout his career, Fujihara has collaborated with notable colleagues, including Yoshihiro Shimada and Chikara Nagano. These collaborations have fostered innovation and have led to the development of cutting-edge optical technologies.
Conclusion
Tadafumi Fujihara's contributions to optical technology through his patents and work at Olympus Optical Company, Ltd. highlight his role as a key innovator in the field. His advancements in automatic focusing methods and illuminating devices continue to impact the way optical devices are utilized in research and industry.