Miyagi, Japan

Hiromichi Itahashi

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromichi Itahashi. Retrieved from https://idiyas.com/inventor/hiromichi-itahashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Hiromichi Itahashi: Innovator in Tape Cassette Technology

Introduction

Hiromichi Itahashi is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of audio technology, particularly in the design of tape cassettes. His innovative approach has led to the development of a unique patent that enhances the functionality of tape cassettes.

Latest Patents

Hiromichi Itahashi holds a patent for a tape cassette with an erasure preventing plug. This invention features a circular head portion, a first leg portion, and a second leg portion with a diameter less than the first leg portion. The design includes a locking projection and an angled lower surface where the circular head portion joins the first leg portion. The outer diameter of the first leg portion is specifically determined to be generally equal to the inner diameter of a coil spring used for biasing the erasure preventing plug when mounted in a cassette casing. This innovative design ensures that the coil spring is compressed and in contact with the angled lower surface of the circular head portion.

Career Highlights

Hiromichi Itahashi is associated with Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to explore and develop cutting-edge technologies in audio equipment. His contributions have been instrumental in advancing the design and functionality of tape cassettes.

Collaborations

Throughout his career, Hiromichi Itahashi has collaborated with talented individuals such as Takashi Ota and Osamu Taguchi. These collaborations have fostered a creative environment that has led to innovative solutions in audio technology.

Conclusion

Hiromichi Itahashi's contributions to tape cassette technology exemplify his innovative spirit and dedication to enhancing audio equipment. His patent for the tape cassette with an erasure preventing plug showcases his ability to solve complex problems in design. His work continues to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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