Average Co-Inventor Count = 3.32
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. (20 from 1,267 patents)
2. Hiatchi Koki Co., Ltd. (1 from 1 patent)
21 patents:
1. 9357702 - Engine-powered work tool provided with stand
2. 8118204 - Portable fastening tool
3. D589056 - Engine
4. 7490746 - Power tool
5. 7344054 - Power tool
6. D539310 - Air compressor
7. D539309 - Air compressor
8. D526874 - Portable nailing machine
9. D526552 - Portable nailing machine
10. 6905052 - Power tool
11. D497299 - Portable gas nailing machine
12. 6679406 - Power tool
13. D474445 - Storage battery
14. D472780 - Pneumatically operated portable nail gun
15. D466781 - Pneumatic nailing machine