Hirakata, Japan

Hidemichi Sumisha

This inventor holds 3 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1983-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidemichi Sumisha. Retrieved from https://idiyas.com/inventor/hidemichi-sumisha

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 = 2.3

ph-index = 3

Forward Citations = 55(Granted Patents)


Location History:

  • Kadoma, JP (1983)
  • Hirakata, JP (1984)
  • Osaka, JP (1984)

Company Filing History:


Years Active: 1983-1984

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3 patents (USPTO):Explore Patents

Title: Hidemichi Sumisha: Innovator in Tape Cassette Technology

Introduction

Hidemichi Sumisha is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of tape cassette technology, holding a total of 3 patents. His innovative designs have enhanced the functionality and usability of tape cassettes.

Latest Patents

One of his latest patents is for a tape cassette that features a swingable cover. This cover is designed to protect the tape stretched along the front side of the cassette. It includes a cover locking member that prevents the cover from swinging open, ensuring the tape remains secure. The design also incorporates a mis-insertion preventing groove, which helps avoid incorrect insertion into cassette holders. This arrangement allows for a compact construction while meeting all necessary requirements for tape cassettes. Another significant patent is for a cassette specifically designed for video tape recorders.

Career Highlights

Hidemichi Sumisha is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work there has allowed him to develop and refine his inventions, contributing to the advancement of tape technology.

Collaborations

Throughout his career, Hidemichi has collaborated with talented coworkers, including Seiko Minamide and Satoshi Kikuya. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hidemichi Sumisha's contributions to tape cassette technology demonstrate his innovative spirit and dedication to improving electronic devices. His patents reflect a commitment to enhancing user experience and functionality in the industry.

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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