Yamayo Measuring Tools Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 42

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5 inventors (with patents filed for the assignee):

Takeo Ogasawara (2 out of 10 patents)

Hideyuki Kato (1 out of 8 patents)

Toshio Yasunaga (1 out of 2 patents)

4. Hiroyasu Watanabe (1 out of 1 patent)

5. Tokuro Miyasaka (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5718056 - Tape measure (1998-02-17),

2. D377911 - Tape measure frame (1997-02-11),

3. D324346 - Measuring tape case (1992-03-03),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#3,555 in Tokyo

#8,945 in Japan

Tokyo, Japan

Yamayo Measuring Tools Co., Ltd.

Forward Citations = 42

5 inventors:

Takeo Ogasawara (2 out of 10 patents)

Hideyuki Kato (1 out of 8 patents)

Toshio Yasunaga (1 out of 2 patents)

4. Hiroyasu Watanabe (1 out of 1 patent)

5. Tokuro Miyasaka (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamayo Measuring Tools Co., Ltd.. Retrieved from https://idiyas.com/company/yamayo-measuring-tools-company

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]