AK

Akiyoshi Kurihara

TK Topy Kogyo Kabushiki Kaisha: 2 patents #32 of 189Top 20%
NI Nippon Valqua Industries: 1 patents #30 of 83Top 40%
Overall (All Time): #2,089,351 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8162411 Integrally forged link for endless track Takao Sakai, Makoto Ueda, Eiji Nakagawa, Yusuke Kinpara 2012-04-24
7004474 Seal for an endless track Kenichi Takahashi, Masaki Ohara, Seiji Oomura, Noriyuki Andou, Takashi Konno +4 more 2006-02-28