RY

Ryoji Yamaguchi

KT Kabushiki Kaisha Toshiba: 2 patents #133 of 1,409Top 10%
Overall (1989): #16,496 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4866697 Information memory medium Kazuharu Odawara, Nobuo Inage 1989-09-12
4827468 Information memory medium Kazuharu Odawara, Nobuo Inage 1989-05-02