Average Co-Inventor Count = 4.32
ph-index = 9
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. (20 from 42,496 patents)
2. Schlumberger Technology Corporation (5 from 10,180 patents)
3. Hitachi Automotive Systems, Ltd. (3 from 2,028 patents)
4. Tokico, Ltd. (2 from 548 patents)
5. Pentel Kabushiki Kaisha (2 from 264 patents)
32 patents:
1. 10851464 - Method for producing chromium plated parts, and chromium plating apparatus
2. 10783469 - Production support system using multiple plan candidates and different types of learning devices
3. 10196893 - Inter-tool communication flow control in toolbus system of cable telemetry
4. 9911323 - Toolstring topology mapping in cable telemetry
5. 9535185 - Failure point diagnostics in cable telemetry
6. 9429207 - Cylinder apparatus including plated component and manufacturing method thereof
7. 9403496 - Communication system, movable-body-mounted apparatus, terminal device, and center server
8. 9365732 - Oily ink composition for ballpoint pens
9. 9308827 - Reachable range calculation apparatus, method, and program
10. 9154186 - Toolstring communication in cable telemetry
11. 8991564 - Disk brake
12. 8807298 - Disk brake and method of producing the same
13. 8768624 - Vehicle operation support system and vehicle operation support method
14. 8362916 - Methods and systems for borehole telemetry
15. 8173004 - Method of manufacturing chromium plated article and chromium plating apparatus