Average Co-Inventor Count = 1.71
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. Mitsubishi Pencil Kabushiki Kaisha (2 from 196 patents)
2. Sunstar Inc. (1 from 57 patents)
3 patents:
1. 9173478 - Oral care instrument
2. 7503718 - Cosmetic container
3. 6176396 - Fluid substance dispenser