Ibaraki, Japan

Yoshitake Kato

This inventor holds 26 USPTO granted patents, primarily in Magnetic Recording Cartridges. Top assignees: Hitachi Maxell, Limited, Hitachi Maxwell, Ltd., Mitsumi Electric Company Ltd.. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitake Kato. Retrieved from https://idiyas.com/inventor/yoshitake-kato

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 = 1.6

ph-index = 11

Forward Citations = 301(Granted Patents)


Location History:

  • Ibaragi, JP (1986 - 1990)
  • Yuki, JP (1989 - 1991)
  • Mitsukaido, JP (1994 - 1995)
  • Ibaraki, JP (1989 - 1996)

Company Filing History:


Years Active: 1986-1996

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Areas of Expertise:
Disk Cartridge
Magnetic Recording
Shutter Assembly
Cleaning Mechanism
Hub Assembly
Flexible Magnetic Medium
Data Recording
Disc Drive
Alignment Elements
Ultrasonic Welding
Cartridge Case
Recording Disc
26 patents (USPTO):Explore Patents

Title: **Yoshitake Kato: A Pioneer in Data Recording Technology**

Introduction

Yoshitake Kato, based in Ibaraki, Japan, is a distinguished inventor with an impressive portfolio of 26 patents to his name. His innovative contributions primarily relate to data recording technologies, particularly in disk cartridge systems. Kato's work has significantly influenced the way data is recorded and stored, showcasing his expertise and forward-thinking approach in the field.

Latest Patents

Among Kato's latest patents is a groundbreaking design for a disk cartridge that employs a single closing energizer to manage the functionality of two shutters. This design effectively prevents scratches on the recording disk that could arise from the sliding of a disk cartridge shutter. The system allows for the simultaneous operation of the first shutter, which opens and closes various insert holes on both the case and the tray side, and a second shutter that independently manages a terminal hole. This clever engineering ensures that while the first shutter’s closure prompts the second shutter to close, the second shutter can still operate independently, thereby enhancing the durability and functionality of the cartridge.

Another noteworthy patent includes a data recording cartridge featuring a flexible magnetic recording medium enclosed in a cartridge case made from advanced materials. This innovative design emphasizes durability and user-friendliness, essential for modern data recording needs.

Career Highlights

Yoshitake Kato has had a fruitful career at prominent companies such as Hitachi Maxell, Limited, and Hitachi Maxwell, Ltd. His roles at these organizations allowed him to harness his technical skills and creative problem-solving abilities, leading to inventive breakthroughs in data storage technology.

Collaborations

Throughout his career, Kato has collaborated with fellow innovators like Minoru Fujita and Kazuya Fukunaga. These collaborations have fostered an environment of shared knowledge and mutual inspiration, contributing to the development of advancements that push the boundaries of existing technology.

Conclusion

Yoshitake Kato's contributions to the field of data recording technology are substantial, with a clear focus on enhancing the efficiency and reliability of disk cartridges. His inventive spirit and practical designs continue to pave the way for future innovations in this essential area of 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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