Average Co-Inventor Count = 6.00
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. Osaka Gas Company Limited (2 from 352 patents)
2. Kawasaki Steel Corporation (1 from 1,256 patents)
3. Kasasaki Steel Corporation (1 from 1 patent)
2 patents:
1. 5338616 - Far-infrared emitter of high emissivity and corrosion resistance and
2. 5213629 - Ear-infrared emitter of high emissivity and corrosion resistance and