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Inventor
OKAWARA YOSHIAKI
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “OKAWARA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WASE TAKASHI
1 patent
US9592702B2
Mar 14, 2017
Friction body, writing instrument and writing instrument set
WASE TAKASHI
11 citations
72
PILOT INK CO LTD
1 patent
US6076987A
Jun 20, 2000
Ballpoint pen and cap therefor
PILOT INK CO LTD
14 citations
67