Average Co-Inventor Count = 1.47
ph-index = 5
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. Seiko Watch Kabushiki Kaisha (6 from 38 patents)
2. Mitsubishi Electric Corporation (2 from 15,942 patents)
3. Citizen Watch Company, Ltd. (1 from 2,003 patents)
4. Citizen Machinery Co., Ltd. (1 from 83 patents)
8 patents:
1. 9791846 - Numerical control device
2. D775973 - Wrist watch case
3. 9523979 - Numerical control device
4. D707138 - Watch
5. D625639 - Watch dial
6. D597420 - Watch case with a band
7. D547677 - Portion of a watch case
8. D531923 - Watch dial