Average Co-Inventor Count = 4.39
ph-index = 12
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. (24 from 42,485 patents)
2. Hitachi-high-technologies Corporation (14 from 2,874 patents)
3. Lenovo (singapore) Pte. Ltd. (6 from 4,126 patents)
4. Renesas Technology Corp. (3 from 3,781 patents)
5. International Business Machines Corporation (1 from 164,108 patents)
6. Hitachi High-tech Electronics Engineering Co., Ltd. (1 from 14 patents)
42 patents:
1. 10032029 - Verifying integrity of backup file in a multiple operating system environment
2. 9910677 - Operating environment switching between a primary and a secondary operating system
3. 9753739 - Operating system management of second operating system
4. 9483278 - Arrangement for secure independent operating environments in a computer
5. 8949043 - Surface inspecting apparatus and method for calibrating same
6. 8831899 - Inspecting apparatus and an inspecting method
7. 8804108 - Inspection method and inspection apparatus
8. 8699017 - Appearance inspection apparatus
9. 8559000 - Method of inspecting a semiconductor device and an apparatus thereof
10. 8539248 - Associating biometric information with passwords
11. 8462327 - Appearance inspection apparatus
12. 8274651 - Method of inspecting a semiconductor device and an apparatus thereof
13. 8169606 - Appearance inspection apparatus
14. 8107717 - Defect inspection method and apparatus
15. 8040503 - Method of inspecting a semiconductor device and an apparatus thereof