Amagasaki, Japan

Naoyuki Nakatsukasa

This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1989-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Nakatsukasa. Retrieved from https://idiyas.com/inventor/naoyuki-nakatsukasa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 85(Granted Patents)


Location History:

  • Hyogo, JP (1989)
  • Amagasaki, JP (1990 - 1993)
  • Tokyo, JP (2000)

Company Filing History:


Years Active: 1989-2000

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5 patents (USPTO):Explore Patents

Title: Naoyuki Nakatsukasa: Innovator in Circuit Technology and Storage Solutions

Introduction

Naoyuki Nakatsukasa is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the fields of circuit technology and storage solutions, holding a total of 5 patents. His innovative designs have enhanced the functionality and efficiency of various electronic systems.

Latest Patents

One of Nakatsukasa's latest patents is a main circuit switching apparatus. This invention features a unique arrangement of main circuit portions, including a breaking section fixed-side conductor and a disconnecting section fixed-side conductor. The design incorporates first and second grounding conductors for effective grounding, and the operating devices are strategically arranged to optimize performance. Additionally, the breaking section is supported by a single supporting insulator, which reduces the number of creepage insulation portions.

Another notable patent is the disk cartridge storage and retrieval apparatus. This apparatus includes a vertically disposed stocker for storing multiple disk cartridges and an information recording and reproducing device aligned with the stocker. The design features a guide shaft that allows a carrier mechanism to transport disk cartridges efficiently. The vertical drive mechanism, which includes a motor and an endless belt, ensures accurate operation while minimizing vibrations that could lead to malfunctions.

Career Highlights

Naoyuki Nakatsukasa is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing cutting-edge technologies. His work has significantly impacted the efficiency and reliability of electronic devices.

Collaborations

Throughout his career, Nakatsukasa has collaborated with notable colleagues, including Katsufusa Tanaka and Toshihiro Tanaka. These collaborations have fostered innovation and contributed to the advancement of technology in their respective fields.

Conclusion

Naoyuki Nakatsukasa's contributions to circuit technology and storage solutions exemplify his commitment to innovation. His patents reflect a deep understanding of engineering principles and a dedication to improving electronic systems. His work continues to influence the industry and inspire future inventors.

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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