Higashihiroshima, Japan

Fumio Kasai

This inventor holds 1 USPTO granted patent. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Kasai. Retrieved from https://idiyas.com/inventor/fumio-kasai-ih4vmocq

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 = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Fumio Kasai: Innovator in Cassette Tape Technology

Introduction

Fumio Kasai is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of audio technology, particularly with his innovative designs for cassette tape players. His work has helped bridge the gap between analog and digital formats, enhancing the user experience for audio enthusiasts.

Latest Patents

Fumio Kasai holds a patent for a cassette tape player that is compatible with cassette tapes of different formats. This innovative device incorporates a cassette holder that can accommodate both analog compact cassettes and digital compact cassettes, allowing them to be placed one upon another. The design features a cassette holder main body with separate sections for analog and digital cassettes, along with a second cassette holder member that is slightly movable. This unique mechanism includes a slider moving lever for opening the digital cassette's slider. The player is equipped with separate magnetic heads for analog and digital signals, which extends the life of the magnetic heads and ensures high-quality recording and reproduction.

Career Highlights

Fumio Kasai is associated with Sharp Corporation, a leading company in the electronics industry. His work at Sharp has allowed him to focus on developing innovative audio technologies that cater to the evolving needs of consumers. His dedication to improving cassette tape technology has positioned him as a key figure in this niche market.

Collaborations

Throughout his career, Fumio Kasai has collaborated with talented individuals such as Kyozo Okumura and Takahiko Suezawa. These collaborations have fostered a creative environment that has led to the development of groundbreaking audio products.

Conclusion

Fumio Kasai's contributions to cassette tape technology exemplify his innovative spirit and commitment to enhancing audio experiences. His patent for a versatile cassette tape player showcases his ability to merge analog and digital technologies effectively. His work continues to influence the audio industry, making him a significant figure in the realm of audio innovation.

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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