RH

Ryousuke Hatanaka

NK Nihon Technical Kabushiki Kaisha: 2 patents #1 of 1Top 100%
Overall (1989): #16,535 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4873597 Head plate operating mechanism for cassette tape player 1989-10-10
4802039 Tape player 1989-01-31