Average Co-Inventor Count = 3.83
ph-index = 12
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. (25 from 1,267 patents)
2. Koki Holdings Co., Ltd. (2 from 209 patents)
27 patents:
1. D951735 - Band saw
2. 10344951 - Illuminating device
3. D849795 - Engine
4. D831458 - Portable electric power sander
5. D823087 - Portable electric drill
6. D811453 - Table circular saw
7. D799929 - Portable electric hammer drill
8. D762435 - Portable electric hammer drill
9. D761069 - Portable electric driver
10. D729999 - Axial blower
11. D715617 - Portable electric driver
12. D701102 - Chain saw
13. D667024 - Engine
14. D657211 - Pruning machine
15. D645318 - Portable electric hammer drill