Average Co-Inventor Count = 7.47
ph-index = 1
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. Caterpillar Sarl (1 from 275 patents)
2. Shin Caterpillar Mitsubishi Ltd. (1 from 128 patents)
3. Eiken Kagaku Kabushiki Kaisha (52 patents)
4. Vessel Co., Ltd. (0 patent)
2 patents:
1. 7942222 - Swing-type operation machine
2. 6901903 - Cover structure for construction machine cooling package