HU

Hisashi Ubara

TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
Overall (All Time): #3,469,570 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6689437 Oxygen-absorbing material Tetsuo Kodama, Naoki Mizuno, Yoshimitsu Sakaguchi, Ken Takasugi, Syunji Kurahara +4 more 2004-02-10