This inventor holds 1 USPTO granted patent. Top assignee: Hamamatsu-Photonics K.k.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Masatoshi Sato: Fiber Laser Device Inventor
Introduction
Masatoshi Sato is an inventor associated with Hamamatsu, Japan, and Hamamatsu Photonics K.K. His work includes a patented fiber laser device designed with polarization-maintaining optical fibers.
Latest Patents
Sato is credited with 1 patent, titled “Fiber laser device.” The invention uses first, second, and third optical fibers configured from polarization-maintaining fibers. The first fiber has alternating sections arranged so that the fast axis of one section aligns with the slow axis of the adjacent section at their connection. The total length of the first sections equals the total length of the second sections. The first fiber’s mode field diameter is smaller than that of each of the other two fibers.
Career Highlights
Sato’s listed patent reflects work on fiber laser design and the arrangement of polarization-maintaining fibers. He is associated with Hamamatsu Photonics K.K., a company connected to the development of photonics technologies.
Collaborations
Sato’s listed coworker is Hirotake Fukuoka. The available information identifies their association but does not specify the details of their collaboration.
Conclusion
Masatoshi Sato’s recorded invention focuses on a fiber laser device that combines carefully aligned fiber sections with differing mode field diameters.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile