Average Co-Inventor Count = 9.00
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. Ngk Insulators, Inc. (1 from 4,918 patents)
2. Ngk Insulators, Ltd. and Mitsubishi Heavy Industries, Ltd. (1 from 1 patent)
2 patents:
1. 6152087 - Boiler tube protector and a method for attaching such protector to a
2. 6136117 - Boiler tube protector and a method for attaching such protector to a