This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Sony Corporation. Active years: 1992-1994.
Company Filing History:
Years Active: 1992-1994
Title: Masayuki Itabashi: Innovator in Tape Cassette Technology
Introduction
Masayuki Itabashi is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of tape cassette technology, holding a total of 3 patents. His work has been instrumental in advancing the design and functionality of tape cassettes.
Latest Patents
Itabashi's latest patents include innovative designs for tape cassettes. One of his patents describes a tape cassette that comprises a supply and a take-up reel on which tape is wound. The cassette casing rotatably encloses the reels, and it features a plurality of tape guide pins that are press-fitted through the inner wall of the casing. These guide pins define a tape path for the tape traveling between the reels. The press-fit section of each guide pin is designed with a predetermined taper, gradually decreasing its outer diameter towards the end. Additionally, the straight press-fit section includes a geometry of chamfered circumference at its end. In conjunction with a tape guide roller, grease with a specific viscosity coefficient is used between the associated pin and roller. An electrical insulating cover surrounds the exposed underside of the electrically conductive lower half of the casing.
Another patent focuses on a tape cassette with tape tension controlled by grease of a specified viscosity. This design also includes the same structural features as the previous patent, ensuring optimal performance and reliability.
Career Highlights
Masayuki Itabashi has had a distinguished career at Sony Corporation, where he has been able to apply his innovative ideas in the development of audio technology. His work has not only enhanced the functionality of tape cassettes but has also contributed to the overall advancement of audio equipment.
Collaborations
Throughout his career, Itabashi has collaborated with talented individuals such as Osamu Koizumi and Kengo Saito. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the audio industry.
Conclusion
Masayuki Itabashi's contributions to tape cassette technology have made a lasting impact on the industry. His innovative designs and patents continue to influence the way audio equipment is developed and utilized.