Average Co-Inventor Count = 1.20
ph-index = 3
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. Nichiha Co., Ltd. (2 from 22 patents)
2. Nichiha Corp. (1 from 146 patents)
3 patents:
1. 6526715 - External wall construction
2. 6374561 - External wall panel construction
3. 6324807 - Method of attaching siding boards and siding board attachment structure