Inventor · disambiguated record
Rolf Birkmann
Also filed as: BIRKMANN ROLF
2 granted patents·95 citations·filing 1988–1988
67Inventor score
Files withSIEMENS AG2
Top patents by PatentIndex Score
2 records- 0188US4875750AOptoelectronic coupling element and method for its manufactureSIEMENS AG·Filed 1988·Granted Oct 24, 1989·73 cites·6 claims
- 0255US4940855AHermetically tight glass-metal housing for semiconductor components and method for producing sameSIEMENS AG·Filed 1988·Granted Jul 10, 1990·22 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →