Inventor
OHTO MASAO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “OHTO MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAKKO ELECTRIC MACHINE WORKS C
3 patentsUS5026350AJun 25, 1991
Set of double needles for injecting liquid medicine
HAKKO ELECTRIC MACHINE WORKS C90 citations94
US4846799AJul 11, 1989
Set of double needles for injecting liquid medicine
HAKKO ELECTRIC MACHINE WORKS C123 citations94
US5505211AApr 9, 1996
Biopsy needles
HAKKO ELECTRIC MACHINE WORKS C43 citations90