YI

Yukio Ishigami

IC Ikeda Bussan Co.: 1 patents #113 of 235Top 50%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #3,971,635 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4655501 Armrest of a seat Yoshinori Akiyama, Haruhumi Terasawa 1987-04-07