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Inventor
OHSAWA NORIO
JP
5 patents
⚠️ This page may combine multiple inventors who share the name “OHSAWA NORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PENCIL CO
3 patents
US7654763B2
Feb 2, 2010
Mechanical pencil
MITSUBISHI PENCIL CO
10 citations
82
US7815385B2
Oct 19, 2010
Mechanical pencil
MITSUBISHI PENCIL CO
7 citations
71
US8043686B2
Oct 25, 2011
Method of moulding composite member, and composite member
MITSUBISHI PENCIL CO
2 citations
59
OHSAWA NORIO
1 patent
US8337107B2
Dec 25, 2012
Mechanical pencil
OHSAWA NORIO
8 citations
77
IZAWA HIROTAKE
1 patent
US8328446B2
Dec 11, 2012
Mechanical pencil
IZAWA HIROTAKE
2 citations
57