Inventor · disambiguated record

Hisao Sawada

Also filed as: SAWADA HISAO

1 granted patent·1 citations·filing 2001–2001

14Inventor score

Technology areasB61D

Files withTOKAI RYOKAKU TETSUDO KK1

Top patents by PatentIndex Score

1 record

0136US6931995B2Train maintenance automating systemTOKAI RYOKAKU TETSUDO KK·Filed 2001·Granted Aug 23, 2005·1 cites·8 claims

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