AK

Akihiro Koishi

TK Topy Kogyo Kabushiki Kaisha: 2 patents #32 of 189Top 20%
Overall (All Time): #2,191,429 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6742853 Structure for standardizing parts of an endless track Hiroyuki Takeno, Kiyokazu Niwa, Daisuke Nojo 2004-06-01
6460945 Endless track and a manufacturing method thereof Hiroyuki Takeno, Masahiro Nakajima, Kiyokazu Niwa, Makoto Takagi, Hirokatsu Niitsu +1 more 2002-10-08