Average Co-Inventor Count = 2.67
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. Komatsu Corporation (1 from 2,737 patents)
2. Kabushiki Kaisha Komatsu Seisakusho (1 from 1,009 patents)
2 patents:
1. 6138643 - Fuel injection device with oil seal
2. 5138840 - Power transmission apparatus for internal combustion engine including