Average Co-Inventor Count = 3.00
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. Mamiya-Op Co., Ltd. (2 from 6 patents)
2. Carib Design Service Inc. (1 from 1 patent)
2 patents:
1. 8720634 - Working vehicle
2. 8627642 - Clippings collecting-discharging device