Inventor
HAYASHI TETSUO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOHAMA RUBBER CO LTD
8 patentsUS5213329AMay 25, 1993
Golf club head
YOKOHAMA RUBBER CO LTD231 citations97
US5100144AMar 31, 1992
Golf club head
YOKOHAMA RUBBER CO LTD93 citations96
US5228694AJul 20, 1993
Iron golf club head made of fiber-reinforced resin
YOKOHAMA RUBBER CO LTD112 citations95
US5205553AApr 27, 1993
Golf club
YOKOHAMA RUBBER CO LTD23 citations92
US5158289AOct 27, 1992
Golf clubs
YOKOHAMA RUBBER CO LTD29 citations92
US5322287AJun 21, 1994
Long wood-type golf club
YOKOHAMA RUBBER CO LTD7 citations74
US5009423AApr 23, 1991
Wood golf club and its production method
YOKOHAMA RUBBER CO LTD10 citations73
US4285854AAug 25, 1981
Elastomer tire filling material
YOKOHAMA RUBBER CO LTD13 citations73
MITSUI PETROCHEMICAL IND
8 patentsUS5639719AJun 17, 1997
Lubricating oil containing aromatic ether compounds
MITSUI PETROCHEMICAL IND30 citations92
US5238590AAug 24, 1993
Lubricant oil, polyalkylene glycol polycarbonates and process for preparing them
MITSUI PETROCHEMICAL IND18 citations82
US5294356AMar 15, 1994
Polycarbonates, uses thereof, processes for preparing and purifying same
MITSUI PETROCHEMICAL IND19 citations81
US3957894AMay 18, 1976
Catalytic dimerization of conjugated dienes
MITSUI PETROCHEMICAL IND29 citations80
US5387354AFeb 7, 1995
Polyalkylene glycol polycarbonate based lubricant oil composition
MITSUI PETROCHEMICAL IND7 citations74
US5656578AAug 12, 1997
Monocarbonates, use thereof and process for the preparation of compositions containing monocarbonates
MITSUI PETROCHEMICAL IND8 citations73
US5565129AOct 15, 1996
Polycarbonates, uses thereof, processes for preparing and purifying same
MITSUI PETROCHEMICAL IND3 citations62
US5476602ADec 19, 1995
Polycarbonates, uses thereof, processes for preparing and purifying same
MITSUI PETROCHEMICAL IND5 citations62