Inventor
YAMANAKA YASUO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
13 patentsUS7794643B2Sep 14, 2010
Apparatus and method for molding object with enhanced transferability of transfer face and object made by the same
RICOH KK32 citations92
US6287504B1Sep 11, 2001
Plastic molding and method and apparatus for producing the same by injection molding
RICOH KK17 citations92
US7525710B2Apr 28, 2009
Scanning and imaging optical system, optical scanner, and image forming apparatus with lenses of different signs and refractive index distribution increasing toward rim
RICOH KK8 citations84
US7135139B2Nov 14, 2006
Method and mold assembly for producing a molded object
RICOH KK6 citations73
US6793868B2Sep 21, 2004
Plastic molding and method and apparatus for producing the same by injection molding
RICOH KK7 citations73
US6620486B2Sep 16, 2003
Plasting molding and method and apparatus for producing the same by injection molding
RICOH KK11 citations73
US6565346B2May 20, 2003
Plastic molded article or product and method and apparatus for producing the same by injection molding
RICOH KK12 citations73
US6919120B2Jul 19, 2005
Plastic molding and a method and a mold assembly for producing the same
RICOH KK9 citations72
US6465610B1Oct 15, 2002
Method and apparatus for manufacturing plastic optical element and plastic optical element
RICOH KK7 citations72
US6893586B2May 17, 2005
Plastic optical element, plastic optical element producing method and plastic optical element producing apparatus
RICOH KK2 citations62
US6702565B1Mar 9, 2004
Method and mold assembly for producing a molded object
RICOH KK3 citations62
US6875380B2Apr 5, 2005
Method and apparatus for manufacturing plastic optical element and plastic optical element
RICOH KK3 citations61
US6810303B2Oct 26, 2004
Injection mold, a production method thereof, a production system thereof, a designing apparatus and a designing computer program thereof, an injection method, a molded component, and an optical system therewith
RICOH KK5 citations61
GKN DRIVELINE JAPAN LTD
6 patentsUS8926471B2Jan 6, 2015
Differential device
GKN DRIVELINE JAPAN LTD14 citations84
US9797495B2Oct 24, 2017
Clutch and differential device with same
GKN DRIVELINE JAPAN LTD11 citations83
US8858384B2Oct 14, 2014
Bevel gear and differential device therewith
GKN DRIVELINE JAPAN LTD15 citations83
US10308113B2Jun 4, 2019
Differential gear
GKN DRIVELINE JAPAN LTD11 citations78
US9695922B2Jul 4, 2017
Clutch device and differential device with reduced friction loss
GKN DRIVELINE JAPAN LTD6 citations73
US10385928B2Aug 20, 2019
Clutch with reduced load on edges
GKN DRIVELINE JAPAN LTD2 citations72
HARADA TADAKATSU
2 patentsOHHASHI TAKAMICHI
2 patentsUS8749863B2Jun 10, 2014
Plastic article, method of shaping plastic article, and optical scanning device having plastic article
OHHASHI TAKAMICHI0 citations44
US8824035B2Sep 2, 2014
Molded plastic part, method for molding plastic part, and optical scanning device using the molded plastic part
OHHASHI TAKAMICHI0 citations33