Average Co-Inventor Count = 3.82
ph-index = 2
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. Citizen Watch Company, Ltd. (2 from 2,002 patents)
2. Nippon Sheet Glass Company, Limited (2 from 1,157 patents)
3. Yachiyo Kogyo Kabushiki Kaisha (1 from 12 patents)
4. Power Carbon Technology Co., Ltd. (1 from 1 patent)
5. Jx Nippon Oil Energy Corporation (331 patents)
5 patents:
1. 11422511 - Step motor drive device and circuit
2. 10754299 - Electronic watch
3. 10008337 - Activated carbon for an electric double-layer capacitor electrode and manufacturing method for same
4. 8304060 - Glass with molding
5. 7360826 - Sheet member with frame body