Average Co-Inventor Count = 1.09
ph-index = 4
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. Carl Manufacturing Co., Ltd. (4 from 54 patents)
2. Dream Factory Inc. (4 from 5 patents)
8 patents:
1. D965087 - Stretching instrument
2. D908903 - Stretching instrument
3. D896552 - Body cushion
4. D895830 - Massage instrument
5. D549071 - Handle for a paper cutter
6. D531204 - Paper cutter
7. D529540 - Cover for slider on a paper cutter
8. 6672816 - Simplified bookbinding device for twin-ring