Inventor · disambiguated record
Norifumi Abiru
Also filed as: ABIRU NORIFUMI
3 granted patents·28 citations·filing 1986–1998
69Inventor score
Technology areasB21F
Files withASAHI SEIKI MFG3
Top patents by PatentIndex Score
3 records- 0141US4680950AMethod of and an apparatus for forming tension springs with German type hooksASAHI SEIKI MFG·Filed 1986·Granted Jul 21, 1987·11 cites·3 claims
- 0238US4893491AApparatus for forming coil springsASAHI SEIKI MFG·Filed 1988·Granted Jan 16, 1990·9 cites·10 claims
- 0334US6062054ASpring forming apparatusASAHI SEIKI MFG·Filed 1998·Granted May 16, 2000·8 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →