Inventor · disambiguated record
Akihisa Yahagi
Also filed as: YAHAGI AKIHISA
5 granted patents·256 citations·filing 1995–2002
84Inventor score
Files withHITACHI KOKI KK5
Top patents by PatentIndex Score
5 records- 0191US5522466AVibration-damping structure for electric hammerHITACHI KOKI KK·Filed 1995·Granted Jun 4, 1996·108 cites·8 claims
- 0289US5971403AHolding device for percussion toolHITACHI KOKI KK·Filed 1997·Granted Oct 26, 1999·87 cites·9 claims
- 0365US6497418B2Tool-bit holding device in percussion toolHITACHI KOKI KK·Filed 2001·Granted Dec 24, 2002·24 cites·13 claims
- 0464US6155356APercussion toolHITACHI KOKI KK·Filed 1999·Granted Dec 5, 2000·27 cites·7 claims
- 0557USD477206SPortable electric hammerHITACHI KOKI KK·Filed 2002·Granted Jul 15, 2003·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →