Inventor
TAKEZAWA KAZUMITSU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “TAKEZAWA KAZUMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
7 patentsUS6239923B1May 29, 2001
Lens barrel having an iris stop unit
NIKON CORP9 citations71
US6742940B2Jun 1, 2004
Shading device and lens barrel
NIKON CORP3 citations60
US6002532ADec 14, 1999
Lens barrel
NIKON CORP2 citations60
US5627683AMay 6, 1997
Lens barrel having a biasing member to prevent backlash between lens unit cam mechanisms
NIKON CORP6 citations60
US6542313B2Apr 1, 2003
Lens barrel position detecting device and method
NIKON CORP0 citations51
US5815094ASep 29, 1998
Position detecting device
NIKON CORP1 citations50
US5926323AJul 20, 1999
Lens barrel with interlocking key
NIKON CORP1 citations49