Katsumi Hagiwara

CC Citizen Watch Co.: 1 patents #8 of 81Top 10%

SC Sumitomo Special Metals Co.: 1 patents #4 of 27Top 15%

📍 Nishitokyo, JP: #5 of 22 inventorsTop 25%

Overall (1994): #109,298 of 165,921Top 70%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5295296	Method and apparatus for working a clad material	Akihiro Tanaka, Kou Sasaki, Kiyohito Nagasawa, Shin Nemoto, Kazuhiro Yamamoto	1994-03-22