Average Co-Inventor Count = 5.93
ph-index = 10
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 Construction Machinery Co., Ltd. (10 from 1,504 patents)
2. Hitachi, Ltd. (5 from 42,508 patents)
3. Hitachi Aloka Medical, Ltd. (5 from 77 patents)
4. Hitachi Construction Machinery Tierra Co., Ltd. (1 from 58 patents)
5. Hitachi Channel Solutions, Corp. (1 from 5 patents)
22 patents:
1. D1098664 - Automated teller machine
2. D1087174 - Hydraulic excavator
3. 11982069 - Work vehicle
4. D999792 - Cabin for construction machine
5. D915470 - Excavator
6. D915469 - Wheel loader
7. D911396 - Wheel loader
8. 10506995 - Mobile X-ray imaging device
9. 10456100 - X-ray imaging device
10. D857755 - Seat for operator cab for construction machine
11. D856379 - Air conditioning duct cover with monitor for construction machine
12. D856380 - Console box for construction machine
13. D856381 - Console box for construction machine
14. D854587 - Cab for construction machine
15. D804671 - Ultrasound diagnosis apparatus