Average Co-Inventor Count = 2.46
ph-index = 4
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. (4 from 42,517 patents)
2. Japan Servo Co.,ltd. (1 from 152 patents)
5 patents:
1. 5812981 - Method of creating a data item object suitable for an application from a
2. 5781905 - Program generating method combining data item part with database
3. 4906348 - Flow-through cell provided with reference electrode
4. 4357563 - Direct current brushless electric motor
5. 4291986 - Optical rate assay apparatus