Location History:
- Ota, JP (1998)
- Tokyo, JP (1998)
Company Filing History:
Years Active: 1998
Title: Innovations of Kouichi Tsukihara: Advancements in Optical Measurement Techniques
Introduction: Kouichi Tsukihara is a prominent inventor based in Ota, Japan, known for his significant contributions to the field of optical measurement technologies. With a total of two patents to his name, Tsukihara has developed innovative apparatuses that enhance the accuracy of refractive index measurements and precision displacement measurements.
Latest Patents: Tsukihara's recent patents include an "Apparatus for measuring refractive index of medium using light" and an “Optical interference measuring apparatus and method for measuring.” The first patent involves a second harmonic generation (SHG) device that effectively converts the wavelength of light. It features a direction-of-polarization rotating unit to minimize the attenuation of light intensity during this conversion process. By increasing the intensity of light incident upon the photodetector, this apparatus allows for more accurate refractive index measurements compared to conventional devices.
The second patent describes an optical interference measuring apparatus designed to measure the displacement of an object. This innovative method reduces measurement errors stemming from atmospheric refractive index changes by mitigating crosstalk between reference and measurement light. The apparatus showcases a measurement light beam and a reference light beam, producing interference that enables precise tracking of displacement via a movable measurement reflector.
Career Highlights: Kouichi Tsukihara is affiliated with Nikon Corporation, a leading company in the field of optics and imaging. His work focuses on developing technologies that address complex challenges in optical measurement, demonstrating his expertise and commitment to advancing scientific understanding.
Collaborations: Throughout his career, Tsukihara has collaborated with notable colleagues, including Jun Kawakami and Hitoshi Kawai. These partnerships have fostered an environment of innovation, contributing to the successful development of his patented technologies.
Conclusion: Kouichi Tsukihara's contributions to optical measurement technologies reflect his dedication as an inventor. His patents not only enhance measurement accuracy but also represent significant advancements in the field, showcasing his role as a vital player in innovative optical research. Through his work at Nikon Corporation, Tsukihara continues to push the boundaries of what is possible in optical engineering.