Location History:
- Kanagawa, JP (1989)
- Yokohama, JP (1993 - 1997)
Company Filing History:
5 out of 10,250 
2 out of 5,290 
Years Active: 1989-1997
Title: Yasuji Hattori: Innovator in Optical Technology
Introduction
Yasuji Hattori is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on methods for identifying optical lines, which have practical applications in various industries.
Latest Patents
One of Hattori's latest patents is an optical waveguide having a diffraction grating area. This invention provides a method for identifying an optical line easily and accurately, regardless of the optical line length. The method involves placing a plurality of reflecting parts on the optical line, with their relative positions changed for each optical line to form a unique identification code. When detecting light is inputted to the optical line, the reflected lights from the reflecting parts are analyzed to identify the optical line based on the detected relative positions. This innovative approach enhances the efficiency of optical line identification.
Career Highlights
Throughout his career, Yasuji Hattori has worked with notable companies, including Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Hattori has collaborated with esteemed colleagues such as Akira Inoue and Katsuya Yamashita. Their joint efforts have further advanced the field of optical technology and contributed to the development of innovative solutions.
Conclusion
Yasuji Hattori's contributions to optical technology through his patents and collaborations highlight his role as a significant inventor in this field. His innovative methods for identifying optical lines demonstrate the impact of his work on the industry.