Inventor
SUGIMOTO YASUSHI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SUGIMOTO YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
11 patentsUS7768685B2Aug 3, 2010
Hologram optical element and surface light source device using the hologram optical element
HITACHI CHEMICAL CO LTD10 citations84
US7665876B2Feb 23, 2010
Backlight unit
HITACHI CHEMICAL CO LTD17 citations81
US7537372B2May 26, 2009
Back light device and liquid crystal display device
HITACHI CHEMICAL CO LTD14 citations81
US5352834AOct 4, 1994
Electrophotographic member
HITACHI CHEMICAL CO LTD10 citations72
US5160487ANov 3, 1992
Electrophotographic member
HITACHI CHEMICAL CO LTD6 citations72
US5272030ADec 21, 1993
Electrophotographic member comprising enamine derivatives
HITACHI CHEMICAL CO LTD2 citations62
US7889310B2Feb 15, 2011
Method for producing apertures in a diffuse reflector layer having a metal reflection film
HITACHI CHEMICAL CO LTD5 citations61
US5403958AApr 4, 1995
Electrophotographic member
HITACHI CHEMICAL CO LTD3 citations61
US7672051B2Mar 2, 2010
Optical film and surface light source using it
HITACHI CHEMICAL CO LTD6 citations57
US7606493B2Oct 20, 2009
Optical waveguide and optical multiplexer-demultiplexer
HITACHI CHEMICAL CO LTD0 citations52
US5382687AJan 17, 1995
Enamine derivatives
HITACHI CHEMICAL CO LTD1 citations51
SRI SPORTS LTD
10 patentsUS7789769B2Sep 7, 2010
Golf club
SRI SPORTS LTD91 citations98
US7699719B2Apr 20, 2010
Golf club head
SRI SPORTS LTD65 citations98
US7435190B2Oct 14, 2008
Golf club head
SRI SPORTS LTD102 citations98
US7371191B2May 13, 2008
Golf club head
SRI SPORTS LTD114 citations98
US7235023B2Jun 26, 2007
Iron type golf club set
SRI SPORTS LTD68 citations98
US7018305B2Mar 28, 2006
Iron-type golf club head
SRI SPORTS LTD84 citations98
US7025693B2Apr 11, 2006
Golf club head
SRI SPORTS LTD58 citations96
US7762909B2Jul 27, 2010
Hollow metal golf club head and method for manufacturing the same
SRI SPORTS LTD23 citations92
US7431665B2Oct 7, 2008
Golf club head
SRI SPORTS LTD31 citations92
US7604549B2Oct 20, 2009
Golf club head
SRI SPORTS LTD6 citations63
DUNLOP SPORTS CO LTD
7 patentsUS8961335B2Feb 24, 2015
Golf club head
DUNLOP SPORTS CO LTD23 citations92
US10029157B2Jul 24, 2018
Golf club head
DUNLOP SPORTS CO LTD8 citations83
US9468820B2Oct 18, 2016
Golf club head
DUNLOP SPORTS CO LTD3 citations73
US10864411B2Dec 15, 2020
Golf club
DUNLOP SPORTS CO LTD0 citations41
US9795841B2Oct 24, 2017
Golf club
DUNLOP SPORTS CO LTD0 citations41
US9776055B2Oct 3, 2017
Golf club
DUNLOP SPORTS CO LTD0 citations41
US9586107B2Mar 7, 2017
Golf club
DUNLOP SPORTS CO LTD0 citations41