This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Yamaha Corporation. Active years: 2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2007
Title: Masahisa Hashimoto: Innovator in Optical Transducer Systems
Introduction
Masahisa Hashimoto is a notable inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of optical transducer systems, particularly in applications related to automatic player pianos. His innovative work has led to the development of a unique patent that enhances the functionality of musical instruments.
Latest Patents
Hashimoto holds a patent for an "Optical transducer system having light emitting elements and light detecting elements both regulable in output characteristics." This system is designed to monitor keys incorporated in an automatic player piano. The optical transducer system features sensor heads positioned on both sides of the key trajectories, with LEDs connected to predetermined sensor heads through optical fibers. Additionally, LDDs are connected to other sensor heads via optical fibers, along with a controlling unit. A luminescence controller optimizes the luminescence of the LEDs, while bias controllers adjust the bias levels of the electric signals. This innovative design ensures that the optical transducer system is free from the individuality of component parts and deterioration.
Career Highlights
Masahisa Hashimoto is associated with Yamaha Corporation, a leading company in the music and audio equipment industry. His work at Yamaha has allowed him to explore and develop advanced technologies that enhance musical performance and instrument functionality.
Collaborations
Throughout his career, Hashimoto has collaborated with talented individuals such as Tomoyuki Ura and Tsutomu Sasaki. These collaborations have contributed to the advancement of technology in the field of optical transducers.
Conclusion
Masahisa Hashimoto's contributions to optical transducer systems have significantly impacted the music industry, particularly in the realm of automatic player pianos. His innovative patent showcases his dedication to enhancing musical technology and improving instrument performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile