JR

Jacobus Josephus Maria Ruigrok

Philips: 2 patents #183 of 1,779Top 15%
📍 Asten, NL: #1 of 3 inventorsTop 35%
Overall (2004): #59,844 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6804175 Thermally assisted magnetic recording medium having non-recording areas Steven Broeils Luitjens 2004-10-12
6747854 Multi-channel magnetic head with magnetoresistive elements Gerardus Henricus Johannus Somers 2004-06-08