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Inventor
OHNUKI KATSUHIRO
2 patents
⚠️ This page may combine multiple inventors who share the name “OHNUKI KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTOR COMPANY OF JAPAN
1 patent
US4041256A
Aug 9, 1977
Open-back type headphone with a detachable attachment
VICTOR COMPANY OF JAPAN
45 citations
90
MATSUSHITA ELECTRIC WORKS LTD
1 patent
US3946380A
Mar 23, 1976
Remote supervision and control system
MATSUSHITA ELECTRIC WORKS LTD
7 citations
68