Average Co-Inventor Count = 4.00
ph-index = 1
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. Hudson Soft Co., Ltd. (1 from 64 patents)
2. Mitsubishi Plastics Industries Limited (1 from 37 patents)
3. Jal Data Communication & Systems Co., Ltd. (1 from 1 patent)
1 patent:
1. 5339239 - Information collecting and/or service furnishing systems by which a user