Inventor
HAGIWARA TAKASHI
JP52 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
8 patentsUS6686527B2Feb 3, 2004
Tightening frame for a drum
YAMAHA CORP20 citations93
US6211448B1Apr 3, 2001
Drum set
YAMAHA CORP37 citations92
US7256342B2Aug 14, 2007
Sound pickup device for percussion instrument
YAMAHA CORP34 citations86
USD464986SOct 29, 2002
Percussion instrument
YAMAHA CORP16 citations84
US6462262B2Oct 8, 2002
Drum
YAMAHA CORP16 citations84
US7084338B2Aug 1, 2006
Lug fixing structure for drum
YAMAHA CORP10 citations74
US6916977B2Jul 12, 2005
Drum
YAMAHA CORP5 citations63
US7262355B2Aug 28, 2007
Snare strainer
YAMAHA CORP6 citations61
SHOWA SHELL SEKIYU
6 patentsUS5417885AMay 23, 1995
Antiferroelectric liquid crystal compound
SHOWA SHELL SEKIYU30 citations92
US5051527ASep 24, 1991
Liquid crystal compounds having fluoroalkyl radical
SHOWA SHELL SEKIYU13 citations73
US5171471ADec 15, 1992
Dioxane liquid crystal compounds
SHOWA SHELL SEKIYU13 citations71
US4973738ANov 27, 1990
Liquid crystal compounds having naphthalene nucleus
SHOWA SHELL SEKIYU14 citations69
US5364561ANov 15, 1994
Liquid crystal compounds and liquid crystal compositions containing them
SHOWA SHELL SEKIYU5 citations63
US5116531AMay 26, 1992
Liquid crystal compound
SHOWA SHELL SEKIYU5 citations62
SENJU METAL INDUSTRY CO
6 patentsUS10675719B2Jun 9, 2020
Joining member, solder material, solder paste, formed solder, flux coated material, and solder joint
SENJU METAL INDUSTRY CO3 citations73
US10556299B2Feb 11, 2020
Flux and resin composition for flux
SENJU METAL INDUSTRY CO4 citations73
US10137538B2Nov 27, 2018
Liquid coating device
SENJU METAL INDUSTRY CO3 citations69
US10357852B2Jul 23, 2019
Flux with dibasic acid mixture
SENJU METAL INDUSTRY CO1 citations60
US10391589B2Aug 27, 2019
Flux applying device
SENJU METAL INDUSTRY CO1 citations59
US11571772B2Feb 7, 2023
Flux
SENJU METAL INDUSTRY CO0 citations50
SIGMA ENTERPRISES INC
4 patentsUS4838552AJun 13, 1989
Multiline slot machine
SIGMA ENTERPRISES INC532 citations99
US4805907AFeb 21, 1989
Slot machine
SIGMA ENTERPRISES INC1,019 citations99
US4679143AJul 7, 1987
Control device for game machine
SIGMA ENTERPRISES INC380 citations99
US4565275AJan 21, 1986
Optoelectronic coin entry sensing system for coin operated machines
SIGMA ENTERPRISES INC11 citations74
HORIBA LTD
4 patentsUS5886347AMar 23, 1999
Analytical method for multi-component aqueous solutions and apparatus for the same
HORIBA LTD91 citations98
US5311275AMay 10, 1994
Apparatus and method for detecting particles on a substrate
HORIBA LTD29 citations92
US5337140AAug 9, 1994
Optical detecting system wtih self-correction
HORIBA LTD29 citations90
US5321495AJun 14, 1994
Optical detecting system for determining particle position on a substrate
HORIBA LTD14 citations72
SIGMA INC
3 patentsHAGIWARA TAKASHI
3 patentsNIDEK KK
3 patentsFUJITSU LTD
2 patentsNIPPON DENSO CO
2 patentsDENSO CORP
2 patentsNEC CORP
2 patentsHONDA MOTOR CO LTD
1 patentSHOWA SHELL SEKIYO KABUSHIKI K
1 patentSHINETSU CHEMICAL CO
1 patentKAWAMATA YUJI
1 patentNAKAJIMA TAKESHI
1 patentShowing the top 50 of 52 patents by PatentIndex Score.