Average Co-Inventor Count = 3.85
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Commissariat a L'energie Atomique (2 from 3,559 patents)
2. Radiometer Medical A/s (2 from 15 patents)
3. Nec Corporation (1 from 35,734 patents)
4. Commissariat a L'energie Atomiguie (1 from 1 patent)
6 patents:
1. 6709642 - Calixarene acetamido derivatives, preparation and use thereof for extracting strontium
2. 6156282 - Crown calix[4]arenes, method of preparation and use for selective
3. 5926687 - Crown calix .vertline.4.vertline. arenes, their preparation process and
4. 5883235 - Calix�4!arene compounds for detection of calcium
5. 5705620 - Sensors for detecting calcium with calix �4! arene compounds
6. 5702620 - Ultrafine pattern forming method and ultrafine etching method using