Average Co-Inventor Count = 14.99
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. Mitsubishi Jukogyo Kabushiki Kaisha (2 from 1,326 patents)
2. Shimizu Construction Co., Ltd. (2 from 116 patents)
2 patents:
1. 5417018 - Construction apparatus for building and constructing method therewith
2. 5255489 - Construction apparatus for buildings and constructing method therewith