Inventor
KOIZUMI KAZUYOSHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI KAZUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIFCO INC
5 patentsUSD486833SFeb 17, 2004
Rotary damper
NIFCO INC22 citations91
US5522485AJun 4, 1996
Rotary damper
NIFCO INC36 citations91
US5211431AMay 18, 1993
Reciprocating device for movable member
NIFCO INC33 citations90
US7938238B2May 10, 2011
Rotary damper
NIFCO INC8 citations82
USD539296SMar 27, 2007
Rotary damper
NIFCO INC6 citations68