Average Co-Inventor Count = 1.02
ph-index = 24
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. Kotobuki Co., Ltd. (53 from 294 patents)
2. Bic Corporation (1 from 204 patents)
53 patents:
1. D491983 - Writing instrument
2. D489092 - Clip of writing instrument
3. 6375373 - Writing stem for writing instruments
4. D455458 - Writing instrument
5. D452528 - Writing instrument
6. D448803 - Writing instrument
7. D448804 - Writing instrument
8. D445829 - Writing instrument
9. D444815 - Writing instrument
10. D444498 - Writing instrument
11. D444500 - Writing instrument
12. D444172 - Writing instrument
13. D444173 - Writing instrument
14. D444174 - Writing instrument
15. D442635 - Writing instrument with cap member therefor