Average Co-Inventor Count = 4.55
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. (19 from 42,508 patents)
2. Hitachi Software Engineering Company, Ltd. (3 from 228 patents)
3. Hitachi Industrial Equipment Systems Co., Ltd. (2 from 495 patents)
4. Hitachi Cable, Inc. (1 from 836 patents)
22 patents:
1. 8387255 - Fine pattern mold
2. 8083515 - Fine pattern mold
3. 7922887 - Metal structure and method of its production
4. 7620757 - Contents transfer system and terminal
5. 7373066 - Optical waveguide device and multiple optical waveguide device
6. 6570580 - Apparatus and method for information display
7. 6344836 - Multimedia information system
8. 6326561 - Thin-film multilayer wiring board with wiring and via holes in a thickness of an insulating layer
9. 6190493 - Thin-film multilayer wiring board and production thereof
10. 5857034 - System for inputting character data
11. 5630135 - Multiple-execution method of multiple-version programs and computer
12. 5564120 - Data management method in a distributed processing system
13. 5379429 - Method of resource management for version-up in a computer system and
14. 5361366 - Computer equipped with serial bus-connected plural processor units
15. 5333265 - Replicated data processing method in distributed processing system