Inventor · disambiguated record
Johnson Chang
Also filed as: CHANG JOHNSON · CHANG JOHNSON S
4 granted patents·2 pending applications·61 citations·filing 1990–2011
77Inventor score
Top patents by PatentIndex Score
6 records- 0165USD664373SBed framePAMUDJI ALBERT·Filed 2011·Granted Jul 31, 2012·17 cites·1 claims
- 0248US5008975AHinge deviceWANG RONG W·Filed 1990·Granted Apr 23, 1991·27 cites·2 claims
- 0340USD664375SDresserPAMUDJI ALBERT·Filed 2011·Granted Jul 31, 2012·5 cites·1 claims
- 0438US5706760AAquarium adapted to be hung on a stationary wallLI WAY IND CO LTD·Filed 1996·Granted Jan 13, 1998·12 cites·1 claims
- 0538US2006234798A1Clutch for power toolMIGHTY SEVEN INTERNAT CO LTD·Filed 2005·Application pending·0 cites
- 0632US2006288864A1Motor of pneumatic toolMIGHTY SEVEN INTERNAT CO LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →