Inventor
OISHI SEIICHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “OISHI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO PRECISION KK
23 patentsUS7338221B2Mar 4, 2008
Sector drive mechanism
SEIKO PRECISION KK10 citations84
US6796729B2Sep 28, 2004
Shutter for camera
SEIKO PRECISION KK10 citations73
US9671678B2Jun 6, 2017
Focal-plane shutter and optical apparatus
SEIKO PRECISION KK4 citations72
US7338222B2Mar 4, 2008
Aperture apparatus
SEIKO PRECISION KK7 citations72
US8356949B2Jan 22, 2013
Focal plane shutter and optical device
SEIKO PRECISION KK3 citations62
US7385320B2Jun 10, 2008
Step motor
SEIKO PRECISION KK6 citations62
US7211910B2May 1, 2007
Step motor
SEIKO PRECISION KK4 citations62
US9069231B2Jun 30, 2015
Focal plane shutter and optical apparatus
SEIKO PRECISION KK3 citations61
US6477328B1Nov 5, 2002
Shutter for a camera
SEIKO PRECISION KK2 citations61
US7738035B2Jun 15, 2010
Lens barrier module and image pickup apparatus having the same
SEIKO PRECISION KK2 citations60
US7390132B2Jun 24, 2008
Lens barrier apparatus and image pickup apparatus having the same
SEIKO PRECISION KK5 citations60
US10165193B2Dec 25, 2018
Image pickup device and focal plane shutter
SEIKO PRECISION KK0 citations51
US9612505B2Apr 4, 2017
Focal-plane shutter and optical apparatus
SEIKO PRECISION KK0 citations51
US9513533B2Dec 6, 2016
Focal plane shutter and optical apparatus provided with same
SEIKO PRECISION KK0 citations51
US8882370B2Nov 11, 2014
Focal plane shutter and optical device
SEIKO PRECISION KK0 citations51
US6702484B2Mar 9, 2004
Shutter for camera
SEIKO PRECISION KK0 citations45
US9606421B2Mar 28, 2017
Focal-plane shutter and optical device
SEIKO PRECISION KK0 citations41
US9395598B2Jul 19, 2016
Focal plane shutter, imaging device and digital camera
SEIKO PRECISION KK0 citations41
US10101635B2Oct 16, 2018
Blade drive device and optical apparatus
SEIKO PRECISION KK0 citations40
US9733547B2Aug 15, 2017
Blade driving device and optical apparatus
SEIKO PRECISION KK0 citations40
US9658516B2May 23, 2017
Blade drive device and optical apparatus
SEIKO PRECISION KK0 citations40
US9465275B2Oct 11, 2016
Imaging device and focal plane shutter
SEIKO PRECISION KK0 citations40
US9304374B2Apr 5, 2016
Focal-plane shutter, optical device, and method for adjusting current for focal-plane shutter
SEIKO PRECISION KK0 citations40