Inventor · disambiguated record

Joseph Raymond Ligenza

Also filed as: LIGENZA JOSEPH R · LIGENZA JOSEPH RAYMOND

3 granted patents·118 citations·filing 1975–1986

74Inventor score

Technology areasC30B H10D H10P

Files withBELL TELEPHONE LABOR INC2 AMERICAN TELEPHONE & TELEGRAPH1

Top patents by PatentIndex Score

3 records

0193US3964085AMethod for fabricating multilayer insulator-semiconductor memory apparatusBELL TELEPHONE LABOR INC·Filed 1975·Granted Jun 15, 1976·91 cites·16 claims
0254US3945031ACharge effects in doped silicon dioxideBELL TELEPHONE LABOR INC·Filed 1975·Granted Mar 16, 1976·15 cites·12 claims
0349US4737233AMethod for making semiconductor crystal filmsAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Apr 12, 1988·12 cites·7 claims

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