Average Co-Inventor Count = 2.58
ph-index = 7
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. Casio Computer Co., Ltd. (19 from 5,229 patents)
2. Nippon Steel Corporation (14 from 3,562 patents)
3. Other (4 from 832,880 patents)
4. Mitsubishi Cable Industries, Ltd. (4 from 218 patents)
5. Mitsubishi Chemical Corporation (3 from 2,351 patents)
6. Nippon Steel Sumitomo Metal Corporation (3 from 1,102 patents)
7. Mitsubishi Electric Corporation (2 from 15,928 patents)
8. Chugai Seiyaku Kabushiki Kaisha (2 from 950 patents)
9. Perseus Proteomics Inc. (2 from 26 patents)
10. Aburatani, Hiroyuki (0 patent)
48 patents:
1. 12394396 - Keyboard instrument, key base molding method, and key base molding mold
2. 11532290 - Method for assembling keyboard instrument
3. 11335308 - Keyboard instrument and manufacturing method therefor
4. 11195499 - Keyboard instrument and manufacturing method therefor
5. 10692474 - Key unit and keyboard instrument
6. 10593306 - Keyboard instrument
7. 10580390 - Keyboard instrument
8. 10482851 - Key unit and keyboard instrument
9. 10424281 - Hammer unit and keyboard device
10. 10418003 - Keyboard device and keyboard instrument
11. 10380985 - Keyboard device
12. 10347223 - Keyboard device and keyboard instrument
13. 9833972 - Laminated steel plate
14. 9495940 - Keyboard device and keyboard instrument
15. 9434775 - Gene overexpressed in cancer