Inventor · disambiguated record
Tahei Okada
Also filed as: OKADA TAHEI
9 granted patents·8 pending applications·52 citations·filing 1985–2014
83Inventor score
Top patents by PatentIndex Score
17 records- 0184US4634543AShock absorber fluid composition and shock absorber containing said compositionIDEMITSU KOSAN CO·Filed 1985·Granted Jan 6, 1987·41 cites·20 claims
- 0272US8703678B2GreaseFUJINAMI YUKITOSHI·Filed 2007·Granted Apr 22, 2014·2 cites·13 claims
- 0370US8987177B2Biodegradable lubricant compositionOKADA TAHEI·Filed 2010·Granted Mar 24, 2015·1 cites·19 claims
- 0469US9139795B2Biodegradable lubricant compositionOKADA TAHEI·Filed 2010·Granted Sep 22, 2015·1 cites·7 claims
- 0569US9068136B2Lubricating oil composition for high-temperature applicationsOHNO TAKUYA·Filed 2011·Granted Jun 30, 2015·2 cites·18 claims
- 0666US8394749B2Pressure medium oilAOYAMA SHOJI·Filed 2006·Granted Mar 12, 2013·1 cites·24 claims
- 0761US2014051618A1Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 0855US2010009880A1Lubricating oil compositionOKADA TAHEI·Filed 2007·Application pending·0 cites
- 0953US2016257902A1Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2014·Application pending·0 cites
- 1052US2010190670A1Lubricant additive and lubricant compositionIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 1147US8609596B2Gear oil compositionOKADA TAHEI·Filed 2008·Granted Dec 17, 2013·0 cites·16 claims
- 1244US2007281873A1Lubricant Composition for Fluid Dynamic BearingIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 1342US2007037715A1Lubricating oil composition and oil-impregnated bearing using the sameIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 1441US2011275867A1Lubricant for gearsIDEMITSU KOSAN CO·Filed 2010·Application pending·0 cites
- 1540US2013012416A1Grease compositionIDEMITSU KOSAN CO·Filed 2011·Application pending·0 cites
- 1635US9410106B2Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2013·Granted Aug 9, 2016·0 cites·20 claims
- 1728US5599780AMetal working oil compositionIDEMITSU KOSAN CO·Filed 1995·Granted Feb 4, 1997·4 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Tahei Okada files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →