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For the Inventor, By the Inventor

Osaka, Japan

Hiroshi Hamahata

This inventor holds 7 USPTO granted patents. Top assignee: Funai Electric Company Ltd.. Active years: 1995-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hamahata. Retrieved from https://idiyas.com/inventor/hiroshi-hamahata

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Daito, JP (1995)
  • Osaka, JP (1998 - 2000)
  • Yamatokoriyama, JP (2002)

Company Filing History:

goldMedal7 out of 2,413 
 
Funai Electric Company Ltd.
 patents

Years Active: 1995-2002

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7 patents (USPTO):Explore Patents
1. 6466397 - Tape cassette loading device, and a tape deck having the same (2002-10-15),
2. 6111713 - Recording-medium mis-recording preventing mechanism (2000-08-29),
3. 6057979 - Magnetic tape cassette with fail-safe inserting apparatus (2000-05-02),
4. 6021018 - Loading mechanism for a video cassette (2000-02-01),
5. 5975787 - Device for securing a part to a chassis (1999-11-02),
6. 5742448 - Device using cam-based movements to load and unload a tape cassette (1998-04-21),
7. 5402286 - Device for manipulating a shutter (1995-03-28),

Title: Hiroshi Hamahata: Innovator in Tape Technology

Introduction

Hiroshi Hamahata is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of tape technology, holding a total of 7 patents. His innovative designs have improved the functionality and efficiency of tape loading devices and recording mechanisms.

Latest Patents

Hamahata's latest patents include a tape cassette loading device and a recording-medium mis-recording preventing mechanism. The tape cassette loading device features a cassette plate equipped with a bendable bottom plate and upper plates that support the tape cassette. This design allows for a more efficient loading process by eliminating the need for a conventional pushing spring. The recording-medium mis-recording preventing mechanism is designed to prevent accidental recording on a loaded medium. It includes a push switch and an arm portion that detects whether the recording medium is recordable, ensuring that recordings are made accurately.

Career Highlights

Hiroshi Hamahata has spent his career at Funai Electric Company Ltd., where he has developed various innovative technologies. His work has focused on enhancing the user experience with tape devices, making them more reliable and cost-effective.

Collaborations

Throughout his career, Hamahata has collaborated with talented individuals such as Kunio Sawai and Shigeru Kaneko. These collaborations have contributed to the advancement of technology in the tape industry.

Conclusion

Hiroshi Hamahata's contributions to tape technology have made a lasting impact on the industry. His innovative patents and designs continue to influence the development of tape devices, showcasing his dedication to improving technology.

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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