HN

Hirokatsu Niitsu

TK Topy Kogyo Kabushiki Kaisha: 2 patents #32 of 189Top 20%
Overall (All Time): #2,181,575 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6913330 Endless track and a manufacturing method thereof Hiroyuki Takeno, Kiyokazu Niwa, Makoto Takagi, Masaki Ohara 2005-07-05
6460945 Endless track and a manufacturing method thereof Hiroyuki Takeno, Masahiro Nakajima, Kiyokazu Niwa, Makoto Takagi, Isao Yoshida +1 more 2002-10-08