KN

Kiyokazu Niwa

TK Topy Kogyo Kabushiki Kaisha: 5 patents #8 of 189Top 5%
Overall (All Time): #979,559 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10246756 Heat treatment system and heat treatment method Weidong Xue, Nobuyuki Suga, Kenzo Uchida, Ryuhei Masuda, Daisuke Nojo +2 more 2019-04-02
6913330 Endless track and a manufacturing method thereof Hiroyuki Takeno, Hirokatsu Niitsu, Makoto Takagi, Masaki Ohara 2005-07-05
6742853 Structure for standardizing parts of an endless track Hiroyuki Takeno, Akihiro Koishi, Daisuke Nojo 2004-06-01
6460945 Endless track and a manufacturing method thereof Hiroyuki Takeno, Masahiro Nakajima, Makoto Takagi, Hirokatsu Niitsu, Isao Yoshida +1 more 2002-10-08
6294031 Production method of a heat-treated steel member Hiroyuki Takeno, Masahiro Nakajima, Go Morishima, Daigo Sugiyama 2001-09-25