Toshio Hirano

Pioneer Electronic: 2 patents #32 of 240Top 15%

Overall (1989): #14,147 of 140,708Top 15%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4797869	Disk detecting apparatus	—	1989-01-10
4796251	Dual-sized disk player	—	1989-01-03