Yoshikazu Kumahara

NC Nikko-Materials Co.: 1 patents #1 of 4Top 25%

📍 Ibaraki, JP: #235 of 769 inventorsTop 35%

Overall (2002): #86,063 of 266,432Top 35%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6464847	Sputtering target	Keiichi Ishizuka	2002-10-15