Inventor
KAWAMOTO HISASHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMOTO HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO PRECISION KK
18 patentsUS7338221B2Mar 4, 2008
Sector drive mechanism
SEIKO PRECISION KK10 citations84
US7511391B2Mar 31, 2009
Electromagnetic actuator
SEIKO PRECISION KK10 citations83
US7338222B2Mar 4, 2008
Aperture apparatus
SEIKO PRECISION KK7 citations72
US7854557B2Dec 21, 2010
Vane driving device
SEIKO PRECISION KK2 citations62
US7768726B2Aug 3, 2010
Lens drive device
SEIKO PRECISION KK2 citations62
US7686725B2Mar 30, 2010
Reduction gear
SEIKO PRECISION KK4 citations62
US7626775B2Dec 1, 2009
Lens drive apparatus
SEIKO PRECISION KK2 citations62
US7385320B2Jun 10, 2008
Step motor
SEIKO PRECISION KK6 citations62
US7211910B2May 1, 2007
Step motor
SEIKO PRECISION KK4 citations62
US7918617B2Apr 5, 2011
Vane driving device using a blade as a gear rotation stopping means
SEIKO PRECISION KK3 citations61
US7658558B2Feb 9, 2010
Shutter and optical apparatus having the same apparatus
SEIKO PRECISION KK2 citations60
US7441966B2Oct 28, 2008
Shutter and optical apparatus having the same
SEIKO PRECISION KK2 citations60
US7462969B2Dec 9, 2008
Electromagnetic actuator with external coils
SEIKO PRECISION KK3 citations57
USD633923SMar 8, 2011
Geared motor
SEIKO PRECISION KK1 citations51
US7791821B2Sep 7, 2010
Lens drive apparatus
SEIKO PRECISION KK1 citations51
US7750528B2Jul 6, 2010
Actuator and coil frame
SEIKO PRECISION KK0 citations51
US10427256B2Oct 1, 2019
Printed substrate holding device
SEIKO PRECISION KK0 citations41
US7572075B2Aug 11, 2009
Shutter apparatus
SEIKO PRECISION KK0 citations39
KAWAMOTO HISASHI
9 patentsUS8070370B2Dec 6, 2011
Gear mechanism and blade drive device
KAWAMOTO HISASHI4 citations61
US8057113B2Nov 15, 2011
Blade drive device and optical apparatus
KAWAMOTO HISASHI4 citations61
US8934162B2Jan 13, 2015
Diaphragm device
KAWAMOTO HISASHI1 citations51
US8100593B2Jan 24, 2012
Speed reducing mechanism, drive device, and optical instrument
KAWAMOTO HISASHI1 citations51
US8074979B2Dec 13, 2011
Sheet feed tray and image forming apparatus
KAWAMOTO HISASHI1 citations51
US8419298B2Apr 16, 2013
Drive mechanism, blade drive mechanism and optical device
KAWAMOTO HISASHI0 citations48
US8314878B2Nov 20, 2012
Image pickup apparatus with impact resistance
KAWAMOTO HISASHI0 citations40
US8145050B2Mar 27, 2012
Lens drive device
KAWAMOTO HISASHI0 citations40
US8879972B2Nov 4, 2014
Fuser and image-forming apparatus
KAWAMOTO HISASHI0 citations39