Average Co-Inventor Count = 4.53
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, Ltd. (5 from 42,496 patents)
2. Hitachi Construction Machinery Co., Ltd. (5 from 1,504 patents)
3. Kcm Corporation (2 from 35 patents)
4. Nakayo Telecommunications, Inc. (1 from 10 patents)
5. Hitachi Medical Co., Ltd. (1 from 3 patents)
12 patents:
1. D652433 - Portion of console for construction machine
2. D652063 - Console for construction machine
3. 6450284 - Cab for construction machinery
4. D437602 - Hydraulic excavator
5. D410471 - Large-sized excavator
6. D358753 - Frequency inverter
7. D325632 - Magnetic resonance imaging scanner
8. D288444 - Facsimile transceiver
9. D284189 - Telephone
10. D281780 - Facsimile transceiver
11. D279780 - Facsimile transceiver
12. D276340 - Facsimile transceiver