% Expired Patents = 33.3

Forward Citations = 50

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3 inventors (with patents filed for the assignee):

Hideji Tajima (3 out of 122 patents)

Ken Tsukii (1 out of 24 patents)

Masahisa Noguchi (1 out of 5 patents)

3 patents: Sort by Forward Citations

1. 7426027 - Small object identifying device and its identifying method (2008-09-16),

2. 6805840 - Apparatus for integrated process of magnetic particles and method of controlling the same (2004-10-19),

3. 6723237 - Concentration device using magnetic particles and method therefor (2004-04-20),

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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#94 in Chiba

#8,929 in Japan

Chiba, Japan

Precision Systems Science Co., Ltd.

Forward Citations = 50

3 inventors:

Hideji Tajima (3 out of 122 patents)

Ken Tsukii (1 out of 24 patents)

Masahisa Noguchi (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Precision Systems Science Co., Ltd.. Retrieved from https://idiyas.com/company/precision-systems-science-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]