This inventor holds 2 USPTO granted patents. Top assignees: N&l Marble Co., Ltd., Nippon Shokubai Co., Ltd., Nippon Shokubai Kagaku Kogyo Co., Ltd.. Active years: 1988-2005.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kitatani. Retrieved from https://idiyas.com/inventor/masaaki-kitatani
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 50.0
Average Co-Inventor Count = 2.7
ph-index = 2
Forward Citations = 49(Granted Patents)
Company Filing History:
1 out of 1 N&l Marble Co., Ltd.
1 out of 1,335 Nippon Shokubai Co., Ltd.
1 out of 236 
Nippon Shokubai Kagaku Kogyo Co., Ltd.
where one patent can have more than one assignee
Years Active: 1988-2005
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2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kitatani. Retrieved from https://idiyas.com/inventor/masaaki-kitatani
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]
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]
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]
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]
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]