JZ

Johannes M. A. Zwagemakers

DB Duphar International Research B.V.: 4 patents #32 of 182Top 20%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Weesp, NL: #49 of 254 inventorsTop 20%
Overall (All Time): #1,063,472 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4889849 Spasmolytically active tertiary amine derivatives Ineke van Wijngaarden, Jan Van Dijk 1989-12-26
4317835 Novel basic substituted-alkylidenamino-oxyalkyl-carboxylic acid esters Jan Van Dijk 1982-03-02
4308282 Spasmolytics Jan Hartog 1981-12-29
4242348 Novel basic substituted-alkylidenamino-oxylalkyl-carboxylic-acid esters Jan Van Dijk 1980-12-30
4196216 Novel benzylidene amini-oxyalkyl carboxylic acids and carboxylic acid derivatives Jan Van Dijk, Volkert Claassen 1980-04-01