Inventor · disambiguated record
Heinz-Achim Hefner
Also filed as: HEFNER HEINZ · HEFNER HEINZ-ACHIM
6 granted patents·156 citations·filing 1974–1995
85Inventor score
Top patents by PatentIndex Score
6 records- 0175US5580921AStorage-stable polysiloxane composition which gives permanently water-wettable vulcanizatesWACKER CHEMIE GMBH·Filed 1992·Granted Dec 3, 1996·46 cites·8 claims
- 0261US5254484AMethod for recrystallization of preamorphized semiconductor surfaces zonesTELEFUNKEN ELECTRONIC GMBH·Filed 1991·Granted Oct 19, 1993·48 cites·10 claims
- 0357US4600731APaste composition containing an organopolysiloxane, platinum and fillerWACKER CHEMIE GMBH·Filed 1985·Granted Jul 15, 1986·22 cites·6 claims
- 0454US5587327AProcess for preparing a heterojunction bipolar transistorDAIMLER BENZ AG·Filed 1995·Granted Dec 24, 1996·23 cites·13 claims
- 0552US4006201AProcess for the production of polyvinyl chloride graft copolymersWACKER CHEMIE GMBH·Filed 1974·Granted Feb 1, 1977·7 cites·6 claims
- 0633US4710264AProcess for manufacturing a semiconductor arrangementTELEFUNKEN ELECTRONIC GMBH·Filed 1986·Granted Dec 1, 1987·10 cites·9 claims
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