Average Co-Inventor Count = 4.80
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. Nippon Conlux Co., Ltd. (1 from 81 patents)
2. Kabushiki Kaisha Nippon Coinco (1 from 43 patents)
2 patents:
1. 4883158 - Device and method for managing amount of stored coins
2. 4881630 - Coin discriminating apparatus