Inventor
MARUYAMA MASAO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TSUBAKIMOTO CHAIN CO
23 patentsUS5267910ADec 7, 1993
Silent chain having improved noise reduction
TSUBAKIMOTO CHAIN CO56 citations96
US4708696ANov 24, 1987
Tensioner for toothed drive belts
TSUBAKIMOTO CHAIN CO56 citations96
US6589127B1Jul 8, 2003
Silent chain with rocker joint pins
TSUBAKIMOTO CHAIN CO21 citations92
US6432011B1Aug 13, 2002
Silent chain
TSUBAKIMOTO CHAIN CO45 citations92
US6416436B1Jul 9, 2002
Silent chain power transmitting device
TSUBAKIMOTO CHAIN CO26 citations92
US6413180B1Jul 2, 2002
Power transmitting mechanism with silent chain and sprockets
TSUBAKIMOTO CHAIN CO22 citations92
US6325735B1Dec 4, 2001
Silent chain
TSUBAKIMOTO CHAIN CO45 citations92
US6277046B1Aug 21, 2001
Silent chain
TSUBAKIMOTO CHAIN CO35 citations92
US6260345B1Jul 17, 2001
Silent chain
TSUBAKIMOTO CHAIN CO33 citations92
US6159122ADec 12, 2000
Silent chain
TSUBAKIMOTO CHAIN CO23 citations92
US6077181AJun 20, 2000
Plate for a silent chain having a protruding portion for reducing the noise generated when the plate engages a sprocket
TSUBAKIMOTO CHAIN CO24 citations92
US5941059AAug 24, 1999
Silent chain, and rocker pin and plate thereof
TSUBAKIMOTO CHAIN CO22 citations92
US5181889AJan 26, 1993
Tensioner for a toothed belt
TSUBAKIMOTO CHAIN CO26 citations92
US6494800B1Dec 17, 2002
Wear-resistant silent chain
TSUBAKIMOTO CHAIN CO20 citations84
US6383105B1May 7, 2002
Guide plate for a silent chain
TSUBAKIMOTO CHAIN CO16 citations84
US6272835B1Aug 14, 2001
Silent chain
TSUBAKIMOTO CHAIN CO16 citations84
US3968701AJul 13, 1976
Positive motion belt with elastic teeth
TSUBAKIMOTO CHAIN CO18 citations82
US5176584AJan 5, 1993
Silent chain
TSUBAKIMOTO CHAIN CO15 citations74
US6393819B1May 28, 2002
Rocker pin and wire stock for producing the same
TSUBAKIMOTO CHAIN CO10 citations73
US5902203AMay 11, 1999
Silent chain
TSUBAKIMOTO CHAIN CO16 citations72
US6045473AApr 4, 2000
Plate for a silent chain
TSUBAKIMOTO CHAIN CO11 citations71
US5073149ADec 17, 1991
Diaphragm seal type tensioner
TSUBAKIMOTO CHAIN CO19 citations70
US5299984AApr 5, 1994
Frictional transmission chain
TSUBAKIMOTO CHAIN CO4 citations63
SHINETSU CHEMICAL CO
7 patentsUS5475077ADec 12, 1995
Method for the preparation of diorganopolysiloxane end-blocked with silanolic hydroxy groups
SHINETSU CHEMICAL CO8 citations74
US5312947AMay 17, 1994
Siloxane purification
SHINETSU CHEMICAL CO17 citations72
US5922893AJul 13, 1999
Method for preparing monosilanes from a high-boiling fraction formed as by-products in the direct synthesis of methylchlorosilanes
SHINETSU CHEMICAL CO10 citations70
US5264601ANov 23, 1993
N,O-bis(trimethylsilyl) acetamide stabilization
SHINETSU CHEMICAL CO2 citations63
US7015296B2Mar 21, 2006
Preparation of linear organosiloxane polymers
SHINETSU CHEMICAL CO3 citations61
US6809053B2Oct 26, 2004
Method for reactivating sulfonated resin catalyst
SHINETSU CHEMICAL CO4 citations61
US6737538B2May 18, 2004
Purification of silicone oil
SHINETSU CHEMICAL CO0 citations50
SUMITOMO ELECTRIC INDUSTRIES
4 patentsUS4753678AJun 28, 1988
Sintered hard metal having superior toughness
SUMITOMO ELECTRIC INDUSTRIES26 citations88
US5421852AJun 6, 1995
Hard alloy and its manufacturing method
SUMITOMO ELECTRIC INDUSTRIES21 citations87
US4401297AAug 30, 1983
Sintering furnace for powder metallurgy
SUMITOMO ELECTRIC INDUSTRIES22 citations78
US4868065ASep 19, 1989
Alloy tool of hard metal
SUMITOMO ELECTRIC INDUSTRIES12 citations73