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Inventor
NAKAZATO YOICHI
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZATO YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOTOBUKI & CO LTD
2 patents
US4884910A
Dec 5, 1989
Mechanical pencil
KOTOBUKI & CO LTD
10 citations
72
US4872776A
Oct 10, 1989
Lead chuck of mechanical pencil
KOTOBUKI & CO LTD
10 citations
72
THK CO LTD
1 patent
US7201073B2
Apr 10, 2007
Angle adjusting device
THK CO LTD
3 citations
59