Inventor
ODAKA TADAO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “ODAKA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOTOBUKI & CO LTD
12 patentsUS6702158B2Mar 9, 2004
Knocking-type liquid container
KOTOBUKI & CO LTD23 citations92
US7014380B2Mar 21, 2006
Composite holding tool
KOTOBUKI & CO LTD10 citations74
US7210869B2May 1, 2007
Cartridge type stationery product
KOTOBUKI & CO LTD8 citations73
US6939069B2Sep 6, 2005
Composite writing utensil
KOTOBUKI & CO LTD8 citations73
US6783292B2Aug 31, 2004
Double-chuck mechanical pencil
KOTOBUKI & CO LTD9 citations72
US10603948B2Mar 31, 2020
Mechanical pencil
KOTOBUKI & CO LTD1 citations62
US10589563B2Mar 17, 2020
Composite writing implement
KOTOBUKI & CO LTD1 citations62
US6994484B2Feb 7, 2006
Composite writing tool
KOTOBUKI & CO LTD6 citations62
US6895640B2May 24, 2005
Clip attaching structure
KOTOBUKI & CO LTD6 citations62
US11090969B2Aug 17, 2021
Mechanical pencil
KOTOBUKI & CO LTD1 citations60
US7254870B2Aug 14, 2007
Clip fixing structure
KOTOBUKI & CO LTD1 citations52
US9738112B2Aug 22, 2017
Mechanical pencil
KOTOBUKI & CO LTD0 citations41