CU

Chiharu Umetsu

NC Nhk Spring Co.: 2 patents #6 of 74Top 9%
Overall (2004): #69,676 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6810915 Accumulator having a safety valve Hiroshi Mizukami, Koichiro Yamada 2004-11-02
6789576 Accumulator Koji Nakamura, Hiroshi Mizukami, Koichiro Yamada 2004-09-14