Average Co-Inventor Count = 4.53
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. Nippon Sanso Kabushiki Kaisha (3 from 24 patents)
2. Nippon Sanso Corporation (1 from 182 patents)
4 patents:
1. 6013208 - Manufacturing method for carbon material for electrical double layer
2. 4938211 - Breathing apparatus
3. 4709578 - Method and apparatus for determinating a vacuum degree within a flexible
4. 4668551 - Evacuated heat insulation unit and method of manufacturing same