Average Co-Inventor Count = 2.72
ph-index = 4
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-high-technologies Corporation (8 from 2,874 patents)
2. Sumco Corporation (6 from 600 patents)
3. Hirose Electric Company, Ltd. (4 from 773 patents)
4. Hitachi, Ltd. (2 from 42,496 patents)
5. Ebara Corporation (2 from 2,510 patents)
6. Mitsubishi Chemical Corporation (1 from 2,348 patents)
7. Konami Digital Entertainment Co., Ltd. (1 from 529 patents)
8. Nikken Chemicals Co., Ltd. (1 from 51 patents)
24 patents:
1. 12252804 - Quartz glass crucible
2. 11658058 - Substrate holding apparatus
3. 11473209 - Quartz glass crucible and manufacturing method thereof
4. 11466381 - Quartz glass crucible
5. 11434580 - Plating apparatus
6. 11416409 - Computer system and memory management method
7. 11319643 - Method for pulling up silicon monocrystal
8. 11162186 - Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucible
9. 10573985 - Assembly including electrical connector for circuit boards and counterpart connector component
10. 10528247 - Operation system having touch operation enabling use of large screen area, operation control method, and operation control program
11. 10521122 - Storage apparatus and method of controlling same
12. 10483670 - Electrical connector for circuit boards and method of manufacture thereof
13. 10418731 - Electrical connector for circuit boards and method of manufacture thereof
14. 10283886 - Electrical connector for circuit boards and method of manufacture thereof
15. 9546436 - Polycrystalline silicon and method of casting the same