Average Co-Inventor Count = 1.54
ph-index = 3
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. Nabtesco Corporation (6 from 378 patents)
2. Teijin Seiki Co., Ltd. (4 from 220 patents)
3. Ts Corporation (2 from 12 patents)
4. Keio University (1 from 339 patents)
5. Teijin Seiko Co., Ltd. (1 from 4 patents)
14 patents:
1. 12090172 - Suicide gene therapeutic agent for brain tumors using pluripotent stem cell
2. 11859763 - Container, lubricant feeder, grease gun, and connecting member
3. 9051995 - Gear unit
4. 8684877 - Gear transmission
5. 8353798 - Gear transmission
6. 8100807 - Reduction gear transmission and solar tracking photovoltaic power generation unit utilizing the same
7. 8096911 - Eccentric oscillating gear mechanism and industrial robot joint construction using the same
8. 6968925 - Elevator apparatus
9. 6942066 - Elevator apparatus
10. 6776396 - Hoisting device for an elevator
11. 6766883 - Driving apparatus for elevator
12. D490203 - Hoist for an elevator
13. 6578672 - Driving apparatus for elevator
14. 6520483 - Hoisting device for an elevator