Average Co-Inventor Count = 5.71
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. Nippon Light Metal Company, Ltd. (4 from 306 patents)
2. Soode Nagano Co., Ltd. (3 from 16 patents)
4 patents:
1. 12319583 - Sodium borohydride production method
2. D1076787 - Explosion proof valve for battery case
3. D1070739 - Explosion proof valve for battery case
4. D1066233 - Explosion proof valve for battery case