% Expired Patents = 20.0

Trademarks = 2

Forward Citations = 126

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7 inventors (with patents filed for the assignee):

Hiroshi Ebihara (3 out of 10 patents)

Hideo Okada (2 out of 2 patents)

Yutaka Mutai (1 out of 1 patent)

4. Katsumi Ichinose (1 out of 1 patent)

5. Saori Takeuchi (1 out of 1 patent)

6. Yoshihiro Komai (1 out of 1 patent)

7. Satoshi Hizawa (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6824028 - Holder assembly for hand-held device (2004-11-30),

2. D474412 - Tape measure (2003-05-14),

3. D442054 - Cutter knife (2001-05-16),

4. D424955 - Tape measure (2000-05-16),

5. D403954 - Dispenser for replacement cutter blades (1999-01-12),

Company Overview

Tajima Tool Corporation is a leading manufacturer of high-quality hand tools, measuring instruments, and precision tools for construction professionals. With a history dating back over a century, Tajima Tool Corporation is known for its innovative products, reliable performance, and commitment to customer satisfaction. The company's range of products includes tape measures, chalk lines, and other cutting and measuring tools designed to meet the demanding needs of construction and industrial professionals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#237 in

#6,652 in Japan

JP

Tajima Tool Corporation

Forward Citations = 126

7 inventors:

Hiroshi Ebihara (3 out of 10 patents)

Hideo Okada (2 out of 2 patents)

Yutaka Mutai (1 out of 1 patent)

4. Katsumi Ichinose (1 out of 1 patent)

5. Saori Takeuchi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tajima Tool Corporation. Retrieved from https://idiyas.com/company/tajima-tool

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

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]