YN

Yoshiharu Niikura

NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
Overall (All Time): #2,314,815 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4997009 Accumulator Akira Kebukawa 1991-03-05
4858898 Accumulator Takeo Fukumura, Chiharu Umetsu 1989-08-22