Assignee
Inventors
- Eri Ito (17 patents)
- Cornelis Maria C.M. van den Bleek (1 patents)
- Herman van Bekkum (7 patents)
- Jacobus Cornelis J.C. Jansen (1 patents)
- Ronald Johannes R.J. Hultermans (1 patents)
- Pieter Martin P. M. Lugt (1 patents)
US Patent 5900222 · Granted May 4, 1999