Assignee
TOKYO YOGYO KK
JP·21 granted patents·792 citations·filing 1984–2005
Top patents by PatentIndex Score
21 records- 0198US5360269AImmersion-type temperature measuring apparatus using thermocoupleTOKYO YOGYO KK·Filed 1993·Granted Nov 1, 1994·569 cites·4 claims
- 0290US5100565AValve of faucetTOKYO YOGYO KK·Filed 1991·Granted Mar 31, 1992·121 cites·4 claims
- 0380US7290685B2Nozzle plate for a sliding nozzle apparatusTOKYO YOGYO KK·Filed 2005·Granted Nov 6, 2007·4 cites·9 claims
- 0472US6551550B1Gas blowing plug and manufacturing method thereforTOKYO YOGYO KK·Filed 2000·Granted Apr 22, 2003·7 cites·18 claims
- 0556US5360147ASliding nozzle for molten steel receiving vesselTOKYO YOGYO KK·Filed 1993·Granted Nov 1, 1994·8 cites·4 claims
- 0654US5849245AWell brick of vessel for molten metalTOKYO YOGYO KK·Filed 1997·Granted Dec 15, 1998·8 cites·5 claims
- 0751US5587101AGas injection nozzle for pouring liquid metalTOKYO YOGYO KK·Filed 1995·Granted Dec 24, 1996·8 cites·3 claims
- 0849US6872344B2Gas blowing plug and manufacturing method thereforTOKYO YOGYO KK·Filed 2003·Granted Mar 29, 2005·0 cites·11 claims
- 0948US5841042ABrake lining material for heavy-load braking deviceTOKYO YOGYO KK·Filed 1996·Granted Nov 24, 1998·10 cites·6 claims
- 1047US6382477B1Apparatus for controlling amount of teeming molten metal and slide plate used for the sameTOKYO YOGYO KK·Filed 1998·Granted May 7, 2002·5 cites·3 claims
- 1145US5445725ASensor probe for measuring hydrogen concentration in molten metal and method for measuring hydrogen concentrationTOKYO YOGYO KK·Filed 1994·Granted Aug 29, 1995·13 cites·2 claims
- 1245US5439579ASensor probe for measuring hydrogen concentration in molten metalTOKYO YOGYO KK·Filed 1992·Granted Aug 8, 1995·13 cites·6 claims
- 1343US5306472AVacuum-suction degassing method and an apparatus thereforTOKYO YOGYO KK·Filed 1993·Granted Apr 26, 1994·6 cites·11 claims
- 1439US4595178ALeg for vacuum tank for refining molten steelTOKYO YOGYO KK·Filed 1984·Granted Jun 17, 1986·2 cites·3 claims
- 1538USD546849SSliding nozzle plateTOKYO YOGYO KK·Filed 2005·Granted Jul 17, 2007·4 cites·1 claims
- 1637US5329987AMolten metal pouring pipe for pressure-casting machineTOKYO YOGYO KK·Filed 1993·Granted Jul 19, 1994·4 cites·9 claims
- 1737US5265850ARefractory for gas blowing for molten metal refining vesselTOKYO YOGYO KK·Filed 1992·Granted Nov 30, 1993·3 cites·5 claims
- 1832US5945063ABottom blown gas blowing apparatus for molten metal ladleTOKYO YOGYO KK·Filed 1998·Granted Aug 31, 1999·3 cites·5 claims
- 1930US5324487AVacuum-suction degassing apparatusTOKYO YOGYO KK·Filed 1993·Granted Jun 28, 1994·2 cites·10 claims
- 2023US5346185AVacuum-suction degassing apparatusTOKYO YOGYO KK·Filed 1993·Granted Sep 13, 1994·0 cites·10 claims
- 2122US4735859AMagnesia aggregate for refractory article and method for manufacturing sameTOKYO YOGYO KK·Filed 1986·Granted Apr 5, 1988·2 cites·16 claims
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