Inventor · disambiguated record

Toshihiro Ichijyou

Also filed as: ICHIJYOU TOSHIHIRO

2 granted patents·192 citations·filing 1998–2001

70Inventor score

Technology areasB25D

Files withHITACHI KOKI KK2

Top patents by PatentIndex Score

2 records

0191US6557648B2Operation mode switching mechanism for a hammer drillHITACHI KOKI KK·Filed 2001·Granted May 6, 2003·75 cites·8 claims
0291US6035945AOperating mode switching apparatus for a hammer drillHITACHI KOKI KK·Filed 1998·Granted Mar 14, 2000·117 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →