Toshinori Yamashita

Yamaha: 2 patents #11 of 106Top 15%

NS Nippon Gakki Seizo: 1 patents #8 of 27Top 30%

Overall (1989): #6,484 of 140,708Top 5%

Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4878414	Musical instrument stand	—	1989-11-07
4841830	Foldable electronic bass drum	—	1989-06-27
4800795	Electronic drum with angle adjustment	—	1989-01-31