Average Co-Inventor Count = 3.00
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. Yasufuku Ceramics Co., Ltd. (1 from 1 patent)
2. Marusu Glaze Co., Ltd. (1 from 1 patent)
1 patent:
1. 7368407 - High-frequency porcelain composition, process for producing the same and planar high-frequency circuit