This inventor holds 2 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1987-1996.
Company Filing History:
Years Active: 1987-1996
Title: Kei Murata: Innovator in High-Density Recording Disc Technology
Introduction
Kei Murata is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of high-density recording disc technology. With a total of 2 patents to his name, Murata's work has advanced the methods used in manufacturing recording media.
Latest Patents
Murata's latest patents include a "Method for manufacturing a stamper for high-density recording discs" and a "Method for fabricating a master recording disc." The first patent describes a stamper made of glass, produced through an image reversal photolithography process. This innovative method allows for the creation of a photoresist pattern that serves as an etching mask, enabling the production of high-capacity recording disks. The second patent outlines a process for fabricating a master recording disc, where a photoresist layer is formed on a glass substrate. This method utilizes a modulated laser beam to create a series of pits, which are then etched into the substrate, resulting in a master disc with precise features.
Career Highlights
Kei Murata is associated with the Victor Company of Japan, Limited, where he has contributed to the development of advanced recording technologies. His expertise in photolithography and etching processes has positioned him as a key figure in the industry.
Collaborations
Murata has worked alongside notable colleagues, including Katunori Ohshima and Tetsuya Kondo. Their collaborative efforts have furthered the advancements in recording technology.
Conclusion
Kei Murata's innovative patents and contributions to high-density recording disc technology highlight his role as a leading inventor in the field. His work continues to influence the development of advanced recording media.