Inventor · disambiguated record
Jih-Ching Chang
Also filed as: CHANG JIH-CHING
5 granted patents·1 pending application·6 citations·filing 2003–2018
66Inventor score
Top patents by PatentIndex Score
6 records- 0173US8172405B2Lamp and optical projectorLO WEI-CHENG·Filed 2009·Granted May 8, 2012·5 cites·18 claims
- 0247US8833973B2Lamp position adjustment deviceCHEN JUNG-CHI·Filed 2009·Granted Sep 16, 2014·0 cites·13 claims
- 0347US6814447B1Real object projectorMICROTEK INT INC·Filed 2003·Granted Nov 9, 2004·1 cites·11 claims
- 0439US10469809B2Projector and light source moduleCORETRONIC CORP·Filed 2018·Granted Nov 5, 2019·0 cites·34 claims
- 0533US6913359B2Projection method with real object projectorMICROTEK INT INC·Filed 2003·Granted Jul 5, 2005·0 cites·5 claims
- 0630US2004165389A1Modified structure of projectorFiled 2003·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →