Tokyo, Japan

Sigeru Tanaka

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeru Tanaka. Retrieved from https://idiyas.com/inventor/sigeru-tanaka

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 = 4.0

ph-index = 1

Forward Citations = 88(Granted Patents)


Company Filing History:

goldMedal1 out of 834,708 
Other
 patents

Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Sigeru Tanaka and a Patent for Magnetic-Head Transport Trays.

Introduction

Sigeru Tanaka is an inventor associated with Tokyo, Japan. His patent concerns trays designed to transport magnetic heads used in magnetic disks.

Latest Patents

Tanaka is credited with 1 patent, titled “Tray for Conveying Magnetic Head for Magnetic Disk.” The invention describes trays molded from a conductive thermoplastic resin composition containing conductive material, such as a conductive filler. The trays are designed to reduce the risk of electrical damage from electrostatic discharge or excessive contact current, as well as physicochemical damage from particle detachment or ionic contamination. The patent specifies a surface resistance range of 10 to 10 ohms.

Career Highlights

The available information highlights Tanaka’s work on materials and tray design intended to protect sensitive magnetic heads during handling and transport. No company affiliation is specified.

Collaborations

Tomohiko Tanaka and Koichi Sagisaka are identified as Tanaka’s coworkers.

Conclusion

Sigeru Tanaka’s patent focuses on conductive transport trays that help protect magnetic heads from electrical and contamination-related damage.

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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