Average Co-Inventor Count = 3.20
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. Hitachi Maxell, Limited (3 from 1,112 patents)
2. Maxell Holdings, Ltd. (1 from 52 patents)
4 patents:
1. 10586353 - Plant information acquisition system, plant information acquisition device, plant information acquisition method, crop management system and crop management method
2. 9428660 - Oil-based ink composition
3. 8669318 - Oil-based ink composition
4. 5658848 - Transparent film for recording images