This inventor holds 7 USPTO granted patents. Top assignees: The Furukawa Electric Co., Ltd., Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Public Corporation. Active years: 1976-1989.
Location History:
- Ichihara, J (1976)
- Ichihara, JA (1977)
- Chiba, JP (1979)
- Ichihara, JP (1985 - 1989)
Company Filing History:
7 out of 2,643 
3 out of 10,627 
1 out of 522 Years Active: 1976-1989
Title: Ryoichi Hara: Innovator in Optical Fiber and Glass Technologies
Introduction
Ryoichi Hara is a notable inventor based in Chiba, Japan, recognized for his contributions to the fields of optical fiber and glass technologies. With a total of 7 patents to his name, Hara has developed innovative methods that enhance the analysis and fabrication of optical materials.
Latest Patents
Hara's latest patents include a method of analyzing the composition of optical fiber base material using radioactive rays. This method involves irradiating the composition with radioactive rays, which are then transmitted through single crystals to produce various types of rays for analysis. This technique allows for accurate and economical composition analysis based on the elements present and the thickness of the material. Another significant patent is a method of fabricating optical glass base material. This process includes injecting fine glass particles produced through chemical reactions, which are then deposited to form a porous rod-shaped base material. The method emphasizes the importance of heat treatment to enhance the mechanical strength of the base material, ensuring it remains stable and undamaged during the fabrication process.
Career Highlights
Throughout his career, Ryoichi Hara has worked with prominent companies such as Furukawa Electric Co., Ltd. and Sumitomo Electric Industries, Limited. His experience in these organizations has contributed to his expertise in optical technologies and materials science.
Collaborations
Hara has collaborated with notable colleagues, including Masamichi Yajima and Chiaki Akai, further enriching his work and innovations in the field.
Conclusion
Ryoichi Hara's innovative methods in analyzing and fabricating optical materials have significantly impacted the industry. His contributions continue to pave the way for advancements in optical fiber and glass technologies.