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. Mitsui Minings & Melting Co., Ltd. (1 from 817 patents)
2. Mitsui Mining and Smelting Co., Ltd. (Nirasaki Factory) (1 from 1 patent)
2 patents:
1. 8403378 - Door latch device for a vehicle
2. 8109542 - Door latch device for a vehicle