Inventor
TOMIZAWA HIROTAKA
JP29 patents
⚠️ This page may combine multiple inventors who share the name “TOMIZAWA HIROTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TONEN CORP
13 patentsUS5185092AFeb 9, 1993
Lubricating oil for refrigerator
TONEN CORP100 citations94
US5688748ANov 18, 1997
Lubricating oil composition for internal combustion engines
TONEN CORP43 citations92
US5364545ANov 15, 1994
Lubricating oil composition containing friction modifier and corrosion inhibitor
TONEN CORP38 citations90
US5344582ASep 6, 1994
Traction fluid derived from cyclopentadiene oligomers
TONEN CORP19 citations82
US5387370AFeb 7, 1995
Electroviscous fluid
TONEN CORP15 citations73
US5334319AAug 2, 1994
Composition for hydraulic lubrication and coupling
TONEN CORP9 citations72
US5332515AJul 26, 1994
Fluid for viscous coupling
TONEN CORP8 citations72
US5288535AFeb 22, 1994
Electrode for electroviscous fluid
TONEN CORP8 citations72
US5266229ANov 30, 1993
Stable electro-rheological fluid having a high viscosity-increasing effect
TONEN CORP16 citations72
US5880073AMar 9, 1999
Lubricating oil composition
TONEN CORP15 citations67
US5334320AAug 2, 1994
Compositions for hydraulic, lubricating and coupling
TONEN CORP5 citations61
US5603861AFeb 18, 1997
Electroviscous fluid mixed with esterified silica fine particles and polyhydric alcohol
TONEN CORP2 citations60
US5266230ANov 30, 1993
Electroviscous fluid containing antioxidant and/or corrosion inhibitor
TONEN CORP6 citations60
TOA NENRYO KOGYO KK
8 patentsUS5259978ANov 9, 1993
Traction fluid composition comprising a cyclohexyl diester and branched poly-α-olefin
TOA NENRYO KOGYO KK27 citations92
US5039440AAug 13, 1991
Traction fluid
TOA NENRYO KOGYO KK8 citations73
US4978468ADec 18, 1990
Traction fluid
TOA NENRYO KOGYO KK8 citations73
US4889650ADec 26, 1989
Synthetic traction fluid
TOA NENRYO KOGYO KK14 citations73
US4886613ADec 12, 1989
Traction fluid
TOA NENRYO KOGYO KK8 citations73
US4886614ADec 12, 1989
Synthetic traction fluid
TOA NENRYO KOGYO KK13 citations73
US5171481ADec 15, 1992
Synthetic traction fluid
TOA NENRYO KOGYO KK4 citations62
US5075024ADec 24, 1991
Synthetic traction fluid
TOA NENRYO KOGYO KK6 citations62
NEW JAPAN CHEM CO LTD
3 patentsUS6667285B1Dec 23, 2003
Lubricating oil for refrigerator, hydraulic fluid composition for refrigerator and method for lubricating of refrigerator
NEW JAPAN CHEM CO LTD88 citations97
US7517838B2Apr 14, 2009
Lubricating oil for bearing
NEW JAPAN CHEM CO LTD17 citations83
US6403541B1Jun 11, 2002
Oil filter clogging preventing agent and oil filter clogging preventing method, and engine oil compositions comprising said oil filter clogging preventing agent
NEW JAPAN CHEM CO LTD13 citations66
EXXON CHEMICAL PATENTS INC
3 patentsUS5605880AFeb 25, 1997
Lubricating oil composition
EXXON CHEMICAL PATENTS INC36 citations92
US5719109AFeb 17, 1998
Lubricating oil composition
EXXON CHEMICAL PATENTS INC45 citations88
US5696063ADec 9, 1997
Basic metal salt of dithiocarbamic acid and lubricating oil composition containing said salt
EXXON CHEMICAL PATENTS INC16 citations73