Inventor · disambiguated record

Norio Otsuga

Also filed as: OTSUGA NORIO

1 granted patent·1 pending application·13 citations·filing 2003–2010

35Inventor score

Technology areasF16L

Files withOTSUGA NORIO1 SANRITSU KK1

Top patents by PatentIndex Score

2 records

0151US7007980B2Duct connection assemble between a branch duct and a main ductSANRITSU KK·Filed 2003·Granted Mar 7, 2006·13 cites·18 claims
0224US2012020740A1Connection structure for a manhole pipe and a sewer main pipeOTSUGA NORIO·Filed 2010·Application pending·0 cites

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