Average Co-Inventor Count = 2.40
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 Company, Limited (4 from 383 patents)
2. Terumo Kabushiki Kaisha (1 from 2,311 patents)
3. Sunstar Inc. (1 from 57 patents)
5 patents:
1. 10391516 - Applicator with rotary cam piston mechanism
2. 10045601 - Rotary advancing container
3. 9782199 - Puncture device
4. 9173478 - Oral care instrument
5. 8936408 - Liquid material feeding container