EPO Patents = 1

Forward Citations = 25

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6 inventors (with patents filed for the assignee):

Willard E Henderer (3 out of 10 patents)

Sadayuki Akaki (3 out of 6 patents)

Stephen Michael George (1 out of 21 patents)

4. Steven R Burns (1 out of 3 patents)

5. Anakkavur T Santhanam (1 out of 11 patents)

6. Vladimir David Volokh (1 out of 20 patents)

3 patents: Sort by Forward Citations

1. 7950880 - Spiral flute tap (2011-05-31),

2. 7665934 - Cutting tap and method of making a cutting tap (2010-02-23),

3. 7147939 - Coated carbide tap (2006-12-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#1 in Toyono

#8,929 in Japan

Toyono, Japan

Yamawa Manufacturing Limited

Forward Citations = 25

6 inventors:

Willard E Henderer (3 out of 10 patents)

Sadayuki Akaki (3 out of 6 patents)

Stephen Michael George (1 out of 21 patents)

4. Steven R Burns (1 out of 3 patents)

5. Anakkavur T Santhanam (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamawa Manufacturing Limited. Retrieved from https://idiyas.com/company/yamawa-manufacturing

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]

1 patent (EPO):

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]