Average Co-Inventor Count = 5.38
ph-index = 3
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. Press Kogyo Co., Ltd. (3 from 8 patents)
2. Caterpillar Japan Ltd. (2 from 17 patents)
3. Shin Caterpillar Mitsubishi Ltd. (1 from 128 patents)
4. Catepillar Japan Ltd. (1 from 1 patent)
4 patents:
1. 8267467 - Reinforcement for cab in construction machine
2. 8029044 - Cab structure of construction equipment
3. 7922237 - Guide-rail structure of front window in working vehicle
4. 6938677 - Air-conditioner of construction machinery