Average Co-Inventor Count = 3.79
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, Ltd. (2 from 42,485 patents)
2. Hitachi Global Life Solutions, Inc. (1 from 7 patents)
3 patents:
1. D1069619 - Gas sensor
2. 6850624 - Data embedding apparatus, data extracting apparatus, and method therefor, and recording medium having such methods recorded thereon
3. 6083267 - System and method for designing accessory