Average Co-Inventor Count = 1.81
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. Kabushiki Kaisha Kawai Gakki Seisakusho (14 from 455 patents)
2. Roland Dg Corporation (8 from 216 patents)
3. Asmo Co., Ltd. (6 from 800 patents)
4. Other (2 from 832,912 patents)
5. Dgshape Corporation (21 patents)
30 patents:
1. 12370817 - Processing device with a sheet cutter
2. 11865846 - Inkjet printer
3. 11660879 - Ink jet printer
4. 11562718 - Keyboard device for keyboard instrument
5. 11511556 - Printer
6. 11508341 - Keyboard device for keyboard instrument
7. 11142005 - Inkjet printer
8. 10762884 - Keyboard device for electronic keyboard instrument and keyframe front for keyboard instrument
9. 10639601 - Ink jet recording apparatus
10. 10556435 - Ink jet recording apparatus
11. 10479093 - Inkjet printer
12. 10373596 - Hammer device and keyboard device for electronic keyboard instrument
13. 9940916 - Key guide structure for keyboard instrument
14. 9607587 - Hammer device and keyboard device for electronic keyboard instrument
15. 9177535 - Hammer device for keyboard instrument