This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi Industrial Equipment Co., Ltd., Hitachi Industrial Equipment Systems Co., Ltd., Hitachi, Ltd.. Active years: 1993-2010.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Takizawa. Retrieved from https://idiyas.com/inventor/yoshiharu-takizawa
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 33.3
EPO Patents = 1
Average Co-Inventor Count = 3.3
ph-index = 2
Forward Citations = 36(Granted Patents)
Company Filing History:
1 out of 1 Hitachi Industrial Equipment Co., Ltd.
1 out of 498 Hitachi Industrial Equipment Systems Co., Ltd.
1 out of 42,743 
Hitachi, Ltd.
Years Active: 1993-2010
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3 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: Yoshiharu Takizawa. Retrieved from https://idiyas.com/inventor/yoshiharu-takizawa
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]
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]
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]