Inventor · disambiguated record
Ru Cheng
Also filed as: CHENG RU · CHENG RU-GUANG
2 granted patents·5 citations·filing 1988–2009
43Inventor score
Top patents by PatentIndex Score
2 records- 0151US8927196B2Method of making an (alkyl)acryloyl polycarbonateCHEN WEI·Filed 2009·Granted Jan 6, 2015·0 cites·4 claims
- 0224US4913995AAmorphous silicon electrophotographic photoreceptor with an intermediate gradient layer and its method of preparationGUO JING KUN SHANGHAI INST OF·Filed 1988·Granted Apr 3, 1990·5 cites·15 claims
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