KH

Katsumi Hagiwara

SM Smc: 2 patents #375 of 737Top 55%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
📍 Nishitokyo, JP: #113 of 277 inventorsTop 45%
Overall (All Time): #1,624,990 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6308431 Air chuck with measuring function Seiji Takanashi, Kouichirou Kanda 2001-10-30
6118387 Counter Toshio Ohata 2000-09-12
5295296 Method and apparatus for working a clad material Akihiro Tanaka, Kou Sasaki, Kiyohito Nagasawa, Shin Nemoto, Kazuhiro Yamamoto 1994-03-22