Inventor
IIKAWA MAKOTO
JP39 patents
⚠️ This page may combine multiple inventors who share the name “IIKAWA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
14 patentsUS6631035B2Oct 7, 2003
Varifocal lens barrel and a lens drive mechanism
PENTAX CORP25 citations92
US6747807B2Jun 8, 2004
Lens barrel
PENTAX CORP13 citations84
US7213693B2May 8, 2007
Rotational transfer mechanism
PENTAX CORP7 citations74
US7102837B2Sep 5, 2006
One-way rotational transfer mechanism, and a lens barrel incorporating the same
PENTAX CORP10 citations74
US7099576B2Aug 29, 2006
Lens barrel incorporating a one-way rotational transfer mechanism
PENTAX CORP9 citations74
US6867926B2Mar 15, 2005
Cam rib support structure
PENTAX CORP7 citations74
US6829103B2Dec 7, 2004
Lens barrel
PENTAX CORP10 citations74
US7201262B2Apr 10, 2007
One-way rotational transfer mechanism
PENTAX CORP4 citations63
US7004672B2Feb 28, 2006
Bayonet coupling for axially mounting one of two relatively rotatable ring-shaped members on the other
PENTAX CORP4 citations63
US6876499B2Apr 5, 2005
Cam mechanism
PENTAX CORP2 citations63
US6778332B2Aug 17, 2004
Soft focus lens barrel
PENTAX CORP4 citations63
US6888690B2May 3, 2005
Hot crimping structure and method for fixing a lens to a lens frame, and hot crimping tool therefor
PENTAX CORP1 citations52
US6594088B2Jul 15, 2003
Method for molding cam ring with convex cams, molding die assembly, and molded cam ring
PENTAX CORP0 citations42
US6552671B2Apr 22, 2003
Brush encoder with resilient contact strips
PENTAX CORP0 citations35
ASAHI OPTICAL CO LTD
8 patentsUS6269227B1Jul 31, 2001
Lens hood
ASAHI OPTICAL CO LTD28 citations93
US6341902B1Jan 29, 2002
Photographic lens recognition system for a camera body
ASAHI OPTICAL CO LTD34 citations92
US5969889AOct 19, 1999
Lens barrel
ASAHI OPTICAL CO LTD32 citations92
US6388826B2May 14, 2002
Device for adjusting the eccentricity of a lens in a frame
ASAHI OPTICAL CO LTD15 citations84
US6178295B1Jan 23, 2001
Lens movement control device
ASAHI OPTICAL CO LTD16 citations84
US6236523B1May 22, 2001
Floating lens barrel, lens barrel, and a common lens barrel system
ASAHI OPTICAL CO LTD13 citations74
US6118601ASep 12, 2000
Floating lens barrel, lens barrel, and a common lens barrel system
ASAHI OPTICAL CO LTD7 citations74
US5884110AMar 16, 1999
Automatic diaphragm apparatus for lens
ASAHI OPTICAL CO LTD9 citations74
HOYA CORP
6 patentsUS7454135B2Nov 18, 2008
Camera system incorporating a seamless lens-drive switching mechanism
HOYA CORP9 citations84
US7756405B2Jul 13, 2010
Interchangeable lens, and a camera system including an interchangeable lens
HOYA CORP2 citations63
US7468848B2Dec 23, 2008
Fixing method for resin lens
HOYA CORP5 citations63
US7408726B2Aug 5, 2008
Lens alignment apparatus
HOYA CORP2 citations63
US7639439B2Dec 29, 2009
Lens alignment apparatus
HOYA CORP0 citations52
US7625141B2Dec 1, 2009
Lens barrel including a flexible printed wiring board
HOYA CORP0 citations52
IIKAWA MAKOTO
6 patentsUS9310669B2Apr 12, 2016
Camera body, lens barrel and lens-interchangeable camera
IIKAWA MAKOTO5 citations71
US9197801B2Nov 24, 2015
Camera body, lens barrel and lens-interchangeable camera
IIKAWA MAKOTO5 citations71
US9134590B2Sep 15, 2015
Camera body
IIKAWA MAKOTO4 citations71
US9103967B2Aug 11, 2015
Gear mechanism
IIKAWA MAKOTO6 citations68
US8508873B2Aug 13, 2013
Water-resistant structure of a lens barrel
IIKAWA MAKOTO0 citations45
US8976460B2Mar 10, 2015
Varifocal lens barrel
IIKAWA MAKOTO0 citations37