Average Co-Inventor Count = 2.40
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. Ohki Co., Ltd. (2 from 13 patents)
2. Tsubakimoto Kogyo Co. Ltd. (1 from 9 patents)
3. Fabrica Toyama Corporation (1 from 3 patents)
2 patents:
1. 8776481 - Packing-packaging apparatus
2. 7235272 - Drip bag