Average Co-Inventor Count = 1.67
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. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
2. Dietrich Industries, Inc. (1 from 25 patents)
2 patents:
1. 6604397 - Rollforming machine
2. 4995678 - Protected pin retention device for crawler track assembly