Assignee
TOKYO METRO SEWERAGE SERV CORP
JP·1 granted patent·3 pending applications·8 citations·filing 2004–2020
Top patents by PatentIndex Score
4 records- 0148US2021071405A1Blower and ventilation systemTOKYO METRO SEWERAGE SERV CORP·Filed 2020·Application pending·0 cites
- 0244US7073869B2Shield tunneling machineTOKYO METRO SEWERAGE SERV CORP·Filed 2004·Granted Jul 11, 2006·8 cites·11 claims
- 0336US2014227954A1Blower and ventilation systemTOKYO METRO SEWERAGE SERV CORP·Filed 2014·Application pending·0 cites
- 0435US2018087261A1Blower and ventilating systemTOKYO METRO SEWERAGE SERV CORP·Filed 2015·Application pending·0 cites
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