Average Co-Inventor Count = 1.30
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. Hoshino Gakki Co., Ltd. (14 from 153 patents)
2. Hoshino Gakki Mfg. Co., Ltd. (4 from 13 patents)
3. Hoshin Gakki Mfg. Co., Ltd. (1 from 1 patent)
19 patents:
1. 11946590 - Leg opening angle changing member for stand and stand
2. 11276380 - Hi-hat attachment
3. 10235979 - Stand and hi-hat stand
4. 10043498 - Snare wire and snare drum
5. 9631656 - Pipe holding device
6. 9269337 - Drum mounting device and drum
7. 9093051 - Spiked leg, musical instrument, and musical instrument stand
8. 9087498 - Tom holder
9. 9082377 - Bass drum lifter and bass drum
10. 9024163 - Drum supporting device and drum
11. 8742240 - Tom holder
12. 8604325 - Mounting structure for cymbals, hi-hat stand, and closed hi-hat attachment
13. 8269089 - Bearing structure for drum pedal
14. 7408104 - Pedal device for drum
15. 7385127 - Angle adjustor