Average Co-Inventor Count = 3.10
ph-index = 8
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 Koki Co., Ltd. (9 from 1,267 patents)
9 patents:
1. D792708 - Storage case for portable tool
2. D689432 - Rechargeable battery
3. D638681 - Portable electric circular saw
4. D622661 - Battery pack
5. D607814 - Battery pack
6. D562227 - Battery pack
7. D551930 - Reciprocating saw
8. D485147 - Portable electric jig saw
9. D484381 - Portable electric jig saw