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Inventor
FUJIWARA RYOTA
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA RYOTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC IP MAN CO LTD
1 patent
US11323796B2
May 3, 2022
Wireless earphone
PANASONIC IP MAN CO LTD
6 citations
69
KOGA SHIGETOSHI
1 patent
US4917538A
Apr 17, 1990
Tunnel lining process and apparatus therefor
KOGA SHIGETOSHI
7 citations
59