Inventor · disambiguated record
Takamasa Hattori
Also filed as: HATTORI TAKAMASA
5 granted patents·136 citations·filing 1991–1998
82Inventor score
Files withHATTORI TAKAMASA4
Top patents by PatentIndex Score
5 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
- 0354US5373989ASprinkler head having a checking means for checking that fluid has been filled inside of a sprinkler head body and method for checking that the fluid has been filled using such sprinkler headFiled 1993·Granted Dec 20, 1994·27 cites·13 claims
- 0439USD410070SButterfly valveHATTORI TAKAMASA·Filed 1998·Granted May 18, 1999·4 cites·1 claims
- 0537US5159984ASprinkler headHATTORI TAKAMASA·Filed 1991·Granted Nov 3, 1992·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →