RO

Ryohei Oba

KT Kabushiki Kaisha Toshiba: 1 patents #376 of 1,409Top 30%
Overall (1989): #59,766 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866415 Tone signal generating system for use in communication apparatus Arata Obayashi 1989-09-12