Average Co-Inventor Count = 3.31
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 Metals, Ltd. (20 from 2,333 patents)
2. Nippon Telegraph and Telephone Corporation (9 from 5,290 patents)
3. Ntt Docomo, Inc. (7 from 4,714 patents)
4. Nkk Corporation (7 from 614 patents)
5. Hitachi Cable, Inc. (6 from 836 patents)
6. Ryobi Limited (5 from 546 patents)
7. Fujitsu Corporation (4 from 39,244 patents)
8. U.S. Philips Corporation (2 from 14,087 patents)
9. Mitsubishi Heavy Industries Limited (2 from 4,631 patents)
10. Ebara Corporation (2 from 2,512 patents)
11. Hirose Electric Company, Ltd. (2 from 773 patents)
12. Other (1 from 832,880 patents)
13. Mitsubishi Electric Corporation (1 from 15,928 patents)
14. Dai Nippon Printing Co., Ltd. (1 from 3,202 patents)
15. Jfe Steel Corporation (1 from 1,800 patents)
77 patents:
1. 12150080 - Communication system and method for operating a communication system
2. 12111504 - Alignment method for optical waveguide element
3. 11974220 - Network node and reporting method
4. 11955256 - Signal transmission cable
5. 11956714 - User equipment, network node, and communication system
6. 11943700 - User device
7. 11934022 - Photoelectric fiber and communication device
8. 11911806 - Substrate cleaning device, abnormality determination method of substrate cleaning device, storage medium
9. 11864080 - User device
10. 11837379 - Signal transmission cable
11. 11817311 - Substrate cleaning method and substrate cleaning apparatus
12. 11789215 - Optical connector and optical connecting structure
13. 11783964 - Differential signal transmission cable
14. 11778444 - Network node and base station device
15. 11747557 - Wavelength checker