Average Co-Inventor Count = 1.00
ph-index = 2
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. Nihon Matai Co., Ltd. (1 from 6 patents)
2. Nihonmatal Co., Ltd. (1 from 1 patent)
2 patents:
1. 5183432 - Floating body of sophisticated shape produced from a single sheet of
2. 5017254 - Method of making inflatable bodies