Average Co-Inventor Count = 3.00
ph-index = 4
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. Mitsubishi Heavy Industries Limited (2 from 4,621 patents)
2. Mitsubishi Nichiyu Forklift Co., Ltd. (2 from 22 patents)
4 patents:
1. D699911 - Forklift lever cover
2. D699415 - Forklift lever cover
3. D657932 - Forklift truck
4. D656293 - Forklift truck