Average Co-Inventor Count = 4.36
ph-index = 1
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. Central Glass Company, Limited (2 from 1,001 patents)
2. National Institute of Advanced Industrial Science and Technology (1 from 1,714 patents)
2 patents:
1. 10576651 - Method of cutting brittle material, device for cutting brittle material, method of manufacturing cut brittle material and cut brittle material
2. 6961078 - Method for putting color to glass