Average Co-Inventor Count = 1.36
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. Toyo Shokuhin Kikai Kabushiki Kaisha (3 from 8 patents)
3 patents:
1. 5403428 - Apparatus for producing communication articles including postcards and
2. 4371365 - Apparatus for fitting and stacking bags onto pins
3. 4304561 - Film folding device