Assignee
KUBOTA MASAO
JP·12 granted patents·162 citations·filing 1977–2011
Top patents by PatentIndex Score
12 records- 0178US4688972ATwist drillKUBOTA MASAO·Filed 1986·Granted Aug 25, 1987·29 cites·1 claims
- 0276US5078554ADrillKUBOTA MASAO·Filed 1990·Granted Jan 7, 1992·35 cites·11 claims
- 0373US9439291B2Photosensitive element, method for forming resist pattern, and method for producing printed circuit boardKUBOTA MASAO·Filed 2011·Granted Sep 6, 2016·2 cites·8 claims
- 0469US4586858ARotary cutting toolKUBOTA MASAO·Filed 1984·Granted May 6, 1986·22 cites·2 claims
- 0565US5314272ADrillKUBOTA MASAO·Filed 1991·Granted May 24, 1994·23 cites·8 claims
- 0664US4541756ARevolving cutting toolKUBOTA MASAO·Filed 1982·Granted Sep 17, 1985·18 cites·4 claims
- 0761US4055711ALead-acid storage batteryKUBOTA MASAO·Filed 1977·Granted Oct 25, 1977·17 cites·7 claims
- 0843US8092980B2Photosensitive elementKUBOTA MASAO·Filed 2008·Granted Jan 10, 2012·0 cites·2 claims
- 0939US5295569AEscalator deviceKUBOTA MASAO·Filed 1991·Granted Mar 22, 1994·8 cites·4 claims
- 1039US5170875AConveyor machineKUBOTA MASAO·Filed 1990·Granted Dec 15, 1992·8 cites·16 claims
- 1130US5316719AApparatus for producing a substance utilizing agravic effectKUBOTA MASAO·Filed 1993·Granted May 31, 1994·0 cites·2 claims
- 1230US5219522AMethod of producing a substance utilizing agravic effect and an apparatus for carrying out sameKUBOTA MASAO·Filed 1989·Granted Jun 15, 1993·0 cites·3 claims
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