Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#6,110 in Tokyo
#15,774 in Japan
Hitachi Elevayor Engineering and Service Co., Ltd.
Forward Citations = 31
13 inventors:
Hitachi Elevayor Engineering and Service Co., Ltd.
Calculating rank
Forward Citations = 31
Loading Chart...
Loading Chart...
13 inventors (with patents filed for the assignee):
Eiji Ikeda (1 out of 9 patents)
Toshihiko Nara (1 out of 10 patents)
Masanobu Itoh (1 out of 5 patents)
4. Tastuhiko Takahashi (1 out of 3 patents)
5. Katutaro Masuda (1 out of 3 patents)
6. Yoshinari Atsumi (1 out of 1 patent)
7. Yuki Yamamoto (1 out of 1 patent)
8. Jun Sugahara (1 out of 5 patents)
9. Hideaki Seki (1 out of 1 patent)
10. Nobuyoshi Sato (1 out of 1 patent)
11. Masayuki Shigeta (1 out of 13 patents)
12. Hiroshi Kinoshita (1 out of 15 patents)
13. Shinkei Kakami (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Elevayor Engineering and Service Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-elevayor-engineering-and-service-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]
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]