Nishiwaki Laboratory

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 14

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4 inventors (with patents filed for the assignee):

Takuji Mori (2 out of 2 patents)

Masao Taki (2 out of 2 patents)

Hiroaki Takeyama (1 out of 3 patents)

4. Shuntaro Murakami (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5347585 - Sound attenuating system (1994-09-13),

2. 5257316 - Acoustic conductance and silencer utilizing same (1993-10-26),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#4,374 in Tokyo

#11,143 in Japan

Tokyo, Japan

Nishiwaki Laboratory

Forward Citations = 14

4 inventors:

Takuji Mori (2 out of 2 patents)

Masao Taki (2 out of 2 patents)

Hiroaki Takeyama (1 out of 3 patents)

4. Shuntaro Murakami (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nishiwaki Laboratory. Retrieved from https://idiyas.com/company/nishiwaki-laboratory

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]