Inventor · disambiguated record

Toshinari Kato

Also filed as: KATO TOSHINARI

1 granted patent·31 citations·filing 2000–2000

45Inventor score

Technology areasE02D

Files withHANEDA HUMEPIPE CO LTD1

Top patents by PatentIndex Score

1 record

0178US6435763B1Key hole insertion for manhole and manhole cover locking apparatus equipped with the key hole insertion and manhole cover locking system and unlocking method and manhole cover opening and closing control systemHANEDA HUMEPIPE CO LTD·Filed 2000·Granted Aug 20, 2002·31 cites·16 claims

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