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For the Inventor, By the Inventor

Miyagi, Japan

Kazuki Nakamaru

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuki Nakamaru. Retrieved from https://idiyas.com/inventor/kazuki-nakamaru

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

Calculating rank
USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Miyagi, JP (1993)
  • Sendai, JP (1993)

Company Filing History:

goldMedal2 out of 58,150 
 
Sony Corporation
 patents

Years Active: 1993

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2 patents (USPTO):Explore Patents
1. D337325 - Shell for magnetic tape cassette (1993-07-13),
2. 5186325 - Cassette case and index sheet (1993-02-16),

Title: Kazuki Nakamaru: Innovator in Magnetic Tape Technology

Introduction

Kazuki Nakamaru is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of magnetic tape technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

His latest patents include a shell for magnetic tape cassettes and a cassette case with an index sheet. The cassette case is designed to support a tape cassette using guiding protrusions on the side portions. Additionally, a recess is formed on the inner surface of the casing to accommodate a thick portion that forms the front opening of the tape cassette. This design effectively reduces the overall thickness of the cassette case. Furthermore, the index sheet inserted into the cassette case features a recess-shaped portion that corresponds to the recess in the casing, making it suitable for the thin cassette case.

Career Highlights

Kazuki Nakamaru is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop and refine his inventions, contributing to advancements in magnetic tape technology.

Collaborations

One of his notable coworkers is Kiyoto Sato, with whom he has likely collaborated on various projects within the company.

Conclusion

Kazuki Nakamaru's innovative contributions to magnetic tape technology reflect his dedication to improving existing designs and functionality. His patents demonstrate a commitment to advancing the industry and enhancing user experience.

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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