Inventor · disambiguated record
Ping-Chih Chang
Also filed as: CHANG PING-CHIH
1 granted patent·2 pending applications·46 citations·filing 2000–2007
48Inventor score
Technology areasH10D
Top patents by PatentIndex Score
3 records- 0184US6765242B1Npn double heterostructure bipolar transistor with ingaasn base regionSANDIA CORP·Filed 2000·Granted Jul 20, 2004·46 cites·55 claims
- 0233US2009065811A1Semiconductor Device with OHMIC Contact and Method of Making the SameCHANG PING-CHIH·Filed 2007·Application pending·0 cites
- 0333US2008258242A1Low contact resistance ohmic contact for a high electron mobility transistor and fabrication method thereofNORTHROP GRUMMAN SPACE AND MIS·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →