Assignee
HATTORI TAKAMASA
JP·4 granted patents·109 citations·filing 1991–1998
Top patents by PatentIndex Score
4 records- 0173US5327976AMethod of installing pipes for sprinkler head mounting, and sprinkler-head mounting piping arrangementHATTORI TAKAMASA·Filed 1993·Granted Jul 12, 1994·63 cites·5 claims
- 0263US5351999APipe coupling arrangementHATTORI TAKAMASA·Filed 1992·Granted Oct 4, 1994·32 cites·18 claims
- 0339USD410070SButterfly valveHATTORI TAKAMASA·Filed 1998·Granted May 18, 1999·4 cites·1 claims
- 0437US5159984ASprinkler headHATTORI TAKAMASA·Filed 1991·Granted Nov 3, 1992·10 cites·5 claims
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