KI

Keiji Ishihama

SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
📍 Sumoto, JP: #58 of 102 inventorsTop 60%
Overall (All Time): #3,566,073 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6492058 Battery pack Atsushi Watanabe, Yasushi Inoue, Ryosuke Kubo, Yasuhiro Yamagami, Takuya Matsuda +1 more 2002-12-10