RM

Rikio Miyagi

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,620,835 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6190797 Method of manufacturing an electrode plate assembly for lead accumulator and device therefor Masao Ito, Hiroshi Hori, Shinya Ajisaka 2001-02-20
6119762 Device for manufacturing an electrode plate assembly for lead accumulator Kunio Makino, Fumiaki Seta, Akitoshi Hiramatsu 2000-09-19
5776207 Lead acid storage battery and method for making same Kensaku Tsuchida, Takashi Hattori 1998-07-07