Location History:
- Mitaka, JP (1980)
- Kashiwa, JP (1986 - 1998)
Company Filing History:
2 out of 1,037 
1 out of 172 
1 out of 247 
Years Active: 1980-1998
Title: Kimihiro Ohta: Innovator in Electro-Optical Measurement and Crystal Film Technology
Introduction
Kimihiro Ohta is a notable inventor based in Kashiwa, Japan. He has made significant contributions to the fields of electro-optical measurement and thin crystal film technology. With a total of 4 patents to his name, Ohta's work has advanced the understanding and application of these technologies.
Latest Patents
One of Ohta's latest patents is a method of electro-optical measurement for vector components of electric fields. This innovative apparatus includes a laser device, optical elements, an electrooptic crystal, a photoelectric converter, and an electric circuit. The electrooptic crystal is specifically chosen for its ability to change its refractive index based on the applied electric field. The apparatus allows for precise measurement of electric signals by resolving reflected light into two polarized directions, enabling the extraction of vector components of the electric field.
Another significant patent by Ohta is a method for controlling the thickness of a thin crystal film. This method involves generating an electron beam in a vacuum atmosphere and directing it towards a growing crystal to obtain a diffraction pattern. By detecting variations in the intensity of this pattern, Ohta's method allows for the accurate measurement of the crystal film's thickness, achieving precision higher than 1000 angstroms.
Career Highlights
Throughout his career, Kimihiro Ohta has worked with esteemed organizations such as the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His work in these institutions has contributed to the advancement of industrial science and technology in Japan.
Collaborations
Ohta has collaborated with notable colleagues, including Tadashi Nakagawa and Naoyuki Kawai. Their joint efforts have furthered research and development in their respective fields.
Conclusion
Kimihiro Ohta's innovative contributions to electro-optical measurement and thin crystal film technology highlight his role as a significant inventor. His patents reflect a commitment to advancing scientific understanding and practical applications in these areas.