Average Co-Inventor Count = 1.38
ph-index = 5
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. Nec Corporation (10 from 35,734 patents)
2. Nissan Motor Company Limited (1 from 13,411 patents)
3. Nihon University (1 from 109 patents)
11 patents:
1. 8931661 - Structure and manufacturing method for pressure vessel
2. 8401162 - Telephone relay system, telephone relay apparatus and telephone relay method
3. 7965831 - Telephone control device, telephone control method, telephone control program, telephone terminal, telephone calling method, telephone calling program and telephone control system
4. 7567800 - Content delivery system
5. 7305428 - Retrieval device, retrieval server, and retrieval system, as well as retrieval method and computer program with greater extent of retrieval conditions
6. 7228435 - Program executing method in service system and program executing apparatus for the same
7. 7197538 - Time-dependent message delivery method and system
8. 7177907 - Message reception device, message reception method, and program for receiving message is recorded
9. 7079950 - Location information conversion device, control method therefor, location information providing system using them, and control method therefor
10. 6377977 - Method for loading application program and opening files in host terminals before collaborating on a joint project
11. 6343316 - Cooperative work support system