HK

Hiroyuki Kitabayashi

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
KS Komatsu Shisakusho: 4 patents #94 of 885Top 15%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #131,707 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5367902 Metal sheet bending machine Yoshiaki Kuroda, Ikuo Kamada 1994-11-29
5243811 Grinder and method of manufacturing the same Tadayuki Ishikawa 1993-09-14
5178497 Electrodeposited reamer tool Tadayuki Ishikawa, Hiroyuki Kuroda, Yoshihiko Nakakoji, Masaki Nobuhara 1993-01-12
5151109 Grinder and method of manufacturing the same Tadayuki Ishikawa 1992-09-29