Company Filing History:
2 out of 471 
1 out of 4,979 Years Active: 2006-2010
Title: Masanori Hanawa: Innovator in Optical Technologies
Introduction
Masanori Hanawa is a prominent inventor based in Yamanashi, Japan. He has made significant contributions to the field of optical technologies, holding a total of 3 patents. His work focuses on advancing optical signal processing and fiber grating manufacturing techniques.
Latest Patents
Hanawa's latest patents include a phase controllable optical delay interferometer and an optical differential phase shift keying demodulator. The demodulator utilizes a signal separator that divides an optical signal into input and output components along a designated optical path. It features first and second reflectors positioned at a specific interval to reflect optical signals with a predetermined time delay, ensuring they maintain substantially equal intensity. Additionally, a phase shifter is integrated between the reflectors to create a phase difference between the reflected optical signals. Another notable patent involves methods and apparatuses for manufacturing fiber gratings. This innovation aims to eliminate or reduce birefringence and polarization-dependence in optical fibers. The method includes selectively exposing an optical fiber to a light source to generate fiber gratings, effectively addressing polarization effects.
Career Highlights
Throughout his career, Hanawa has worked with esteemed organizations such as the Gwangju Institute of Science and Technology and Oki Electric Industry Co., Ltd. His experience in these institutions has allowed him to refine his expertise in optical technologies and contribute to various innovative projects.
Collaborations
Hanawa has collaborated with notable colleagues, including Chang-soo Park and Tae-young Kim. Their joint efforts have further advanced the field of optical signal processing and fiber technology.
Conclusion
Masanori Hanawa's contributions to optical technologies through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to pave the way for advancements in optical signal processing and fiber grating manufacturing.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.