Inventor · disambiguated record
Hisakazu Okajima
Also filed as: OKAJIMA HISAKAZU
14 granted patents·1 pending application·216 citations·filing 1989–2008
93Inventor score
Top patents by PatentIndex Score
15 records- 0189US7279661B2Heating apparatusNGK INSULATORS LTD·Filed 2002·Granted Oct 9, 2007·53 cites·1 claims
- 0289US7274006B2HeaterNGK INSULATORS LTD·Filed 2006·Granted Sep 25, 2007·16 cites·9 claims
- 0382US6875960B2Heating systemNGK INSULATORS LTD·Filed 2002·Granted Apr 5, 2005·28 cites·8 claims
- 0480US8294069B2Heating device for heating a waferGOTO YOSHINOBU·Filed 2008·Granted Oct 23, 2012·7 cites·2 claims
- 0577US7173219B2Ceramic heatersNGK INSULATORS LTD·Filed 2004·Granted Feb 6, 2007·20 cites·6 claims
- 0673US7544916B2Heating deviceNGK INSULATORS LTD·Filed 2006·Granted Jun 9, 2009·4 cites·6 claims
- 0759US5202629AOptical magnetic-field sensor having an integrally bonded magnetooptical element, polarizer, analyzer and substrateNGK INSULATORS LTD·Filed 1991·Granted Apr 13, 1993·20 cites·3 claims
- 0851US5136680AOptical fiber built-in type composite insulator and method for producing the sameNGK INSULATORS LTD·Filed 1991·Granted Aug 4, 1992·13 cites·1 claims
- 0948US5382901AOptical magnetic field sensor capable of precise measurement without temperature induced errorsNGK INSULATORS LTD·Filed 1993·Granted Jan 17, 1995·13 cites·2 claims
- 1047US7247817B2Ceramic heater having a resistance heater elementNGK INSULATORS LTD·Filed 2003·Granted Jul 24, 2007·1 cites·14 claims
- 1146US5355084AOptical magnetic-field sensor having spherical lenses for light collimationNGK INSULATORS LTD·Filed 1991·Granted Oct 11, 1994·12 cites·3 claims
- 1246US5069525AOptical fiber built-in type composite insulator and method of producing the sameNGK INSULATORS LTD·Filed 1989·Granted Dec 3, 1991·9 cites·14 claims
- 1345US2007215597A1Heating device and manufacturing method thereofNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 1444US5187762AOptical ferruleNGK INSULATORS LTD·Filed 1992·Granted Feb 16, 1993·12 cites·4 claims
- 1539US5446381AOptical voltage electric field sensorNGK INSULATORS LTD·Filed 1993·Granted Aug 29, 1995·8 cites·4 claims
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