Assignee
TANKEN SEIKO KK
JP·9 granted patents·170 citations·filing 1988–1993
Top patents by PatentIndex Score
9 records- 0177US5345829AMethod for predicting abnormality of mechanical seal and apparatus for predicting sameTANKEN SEIKO KK·Filed 1993·Granted Sep 13, 1994·38 cites·6 claims
- 0276US5067733AMechanical seal including a split seal ringTANKEN SEIKO KK·Filed 1990·Granted Nov 26, 1991·38 cites·6 claims
- 0375US5448924ASystem for monitoring behavior of rotary bodyTANKEN SEIKO KK·Filed 1993·Granted Sep 12, 1995·34 cites·29 claims
- 0469US4997192AMechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing sameTANKEN SEIKO KK·Filed 1990·Granted Mar 5, 1991·27 cites·2 claims
- 0568US4925490AMechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing sameTANKEN SEIKO KK·Filed 1988·Granted May 15, 1990·18 cites·4 claims
- 0634US4982373AFluid agitatorTANKEN SEIKO KK·Filed 1989·Granted Jan 1, 1991·6 cites·4 claims
- 0732US5121931ANoncontact mechanical sealTANKEN SEIKO KK·Filed 1990·Granted Jun 16, 1992·6 cites·10 claims
- 0826US5066134AFluid agitatorTANKEN SEIKO KK·Filed 1990·Granted Nov 19, 1991·2 cites·6 claims
- 0911US4993721ASeal equipment for rotary shaft movable in the axial directionTANKEN SEIKO KK·Filed 1989·Granted Feb 19, 1991·1 cites·7 claims
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