Average Co-Inventor Count = 2.40
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. Kyoto Mokuzou Kenchiku Kenkyuusho (1 from 1 patent)
2. Nakanishi Koumuten Co., Ltd. (1 from 1 patent)
2 patents:
1. 6006803 - Special jointing metal device for advanced framework construction
2. 5636934 - Structural connector, and method of making structural joint