KK

Keizo Kobayashi

SH Sumitomo Electric Hardmetal: 2 patents #166 of 278Top 60%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,003,815 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9308707 Joined product Tomoyuki Ishida, Hideki Moriguchi, Takeru Nakashima, Satoru Kukino, Shinichiro Yurugi +5 more 2016-04-12
8920079 Joined product Kimihiro Ozaki, Hideki Moriguchi, Tomoyuki Ishida, Akihiko Ikegaya, Nobuyuki Kitagawa 2014-12-30