This inventor holds 32 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Optical Communication. Top assignees: Nippon Telegraph and Telephone Corporation, Anritsu Corporation, Sumitomo Electric Industries, Limited. Active years: 1993-2021.
Location History:
- Shinjuku-ku, JP (1999)
- Tokyo, JP (1999 - 2003)
- Boulder, CO (US) (2003)
- Kanagawa, JP (1993 - 2010)
- Yokosuka, JP (1996 - 2021)
Company Filing History:
29 out of 5,300Â 
2 out of 599Â 
1 out of 10,627Â 
Years Active: 1993-2021
Areas of Expertise:
Title: Innovations by Hidehiko Takara in Optical Amplification Technologies
Introduction
Hidehiko Takara, an esteemed inventor based in Yokosuka, Japan, has made remarkable contributions to the field of optical amplification. With a total of 32 patents to his name, his innovative work focuses on enhancing the efficiency and quality of optical communications.
Latest Patents
Two of Takara's latest patents highlight his expertise in optical amplification systems and transmission quality estimation. The first patent outlines an optical amplification system that comprises three or more nodes connected through a multi-core fiber. This innovative system includes an amplification light input unit that feeds amplification light into one of the cores of the fiber, while an amplification unit amplifies the communication light transmitted through the cores. The integration of an amplification light coupling unit ensures efficient light coupling for enhanced performance.
The second patent details a transmission quality estimation system featuring a transmission quality estimation device, which estimates the transmission quality between nodes. Utilizing a multi-core fiber, the system employs a core connection unit to drop, add, or relay light. The estimation unit uses measurement light data to assess transmission quality, enabling significant improvements in optical network management.
Career Highlights
Throughout his career, Hidehiko Takara has worked with prominent organizations, including Nippon Telegraph and Telephone Corporation and Anritsu Corporation. His roles at these companies have allowed him to pioneer advancements in optical technologies, showcasing his commitment to innovation.
Collaborations
Takara has collaborated with notable colleagues, including Satoki Kawanishi and Ippei Shake. These professional relationships have contributed to the successful development of inventive solutions in the telecommunications sector.
Conclusion
Hidehiko Takara stands out as a leading innovator in optical amplification technology. His extensive patent portfolio and collaborative efforts reflect a notable dedication to improving transmission quality in optical communications. As the industry continues to evolve, Takara's contributions will undoubtedly influence future advancements in this crucial field.