P
PatentIndex
Search
Landscape
Sign in
Inventor
ICHIJYOU TOSHIHIRO
JP
2 patents
Patents
2 patents
US6557648B2
May 6, 2003
Operation mode switching mechanism for a hammer drill
HITACHI KOKI KK
75 citations
95
US6035945A
Mar 14, 2000
Operating mode switching apparatus for a hammer drill
HITACHI KOKI KK
117 citations
94