Dan has been granted 13 United States Patents with two additional patents pending examination. Two noteworthy patents are "Method for Making Solar Cell Having Crystalline Silicon P-N Homojunction and Amorphous Silicon Heterojunction for Surface Passivation" (US Patent 8,076,175) and "Aluminum Alloy Back Junction Solar Cell and a Process for Fabrication Thereof" (US Patent 6,262,359) given below.
US Patent 8,076,175 US Patent 6,262,359
Click here for a complete list of patents.

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