This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1978.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1978
Title: Hiroyuki Kumamaru: Innovator in Optical Fiber Technology
Introduction
Hiroyuki Kumamaru is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of optical fiber technology. His innovative work has led to the development of a unique optical fiber cable design.
Latest Patents
Kumamaru holds a patent for an optical fiber cable that features a structure comprising optical fibers, cushion layers supporting the fibers through low friction layers, and a strengthening member provided lengthwise along the cable. This design allows concentrated tension and compression applied to the optical fibers due to external bending forces to be dispersed through the cushion and low friction layers. The tension applied to the entire cable is effectively received by the strengthening member. He has 1 patent to his name.
Career Highlights
Hiroyuki Kumamaru is associated with Sumitomo Electric Industries, Limited, a leading company in the field of electrical and electronic products. His work at this esteemed organization has allowed him to focus on advancing optical fiber technology.
Collaborations
Kumamaru has collaborated with notable colleagues, including Hiromu Shioyama and Masao Hoshikawa. Their combined expertise has contributed to the success of various projects within the company.
Conclusion
Hiroyuki Kumamaru's innovative contributions to optical fiber technology exemplify the importance of research and development in modern telecommunications. His patent reflects a significant advancement in the field, showcasing his dedication to innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile