Average Co-Inventor Count = 3.12
ph-index = 27
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. (35 from 42,508 patents)
2. Fujitsu Corporation (27 from 39,244 patents)
3. Eastman-kodak Company (4 from 21,595 patents)
4. Mitsubishi Rayon Company, Limited (3 from 1,357 patents)
5. Micron Technology Incorporated (1 from 38,002 patents)
6. Hitachi Maxell, Limited (1 from 1,112 patents)
7. Spansion Llc. (1 from 1,075 patents)
8. Longitude Semiconductor S.a.r.l. (1 from 52 patents)
9. Mitsubishi Rayon Cleansui Company, Limited (1 from 10 patents)
10. Hatakeyama Et Al. (1 from 1 patent)
11. Alps Alpine Co., Ltd. (571 patents)
74 patents:
1. 11735246 - Semiconductor device performing refresh operation
2. 10628488 - Document retrieval system and retrieval method
3. 10423613 - Data search method and data search system
4. 10394870 - Search method
5. 9515001 - Semiconductor device having potential monitoring terminal to monitor potential of power-supply line
6. 9021480 - Security management device and method
7. 9005435 - Structure for opening section, and water purification cartridge
8. 8566391 - System and method for evaluating application suitability in execution environment
9. 8321863 - Security management device and method
10. 8250205 - Business process management system, method thereof, process management computer and program thereof
11. 8041591 - Business process operation method and system
12. 7908314 - Method for controlling a management computer
13. 7360214 - Method and system for displaying integrated log information
14. 7307885 - Multi-value nonvolatile semiconductor memory device equipped with reference cell and load balancing circuit
15. 7224602 - Semiconductor memory device and control method having data protection feature