Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ink applicator, ink backflow prevention mechanism of ink applicator, and a pen tip

Ink applicator, ink backflow prevention mechanism of ink applicator, and a pen tip

US Patent 6283662 · Granted Sep 4, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tip unit for liquid applicator and liquid applicator2014
Liquid applicator2012
Water-based ink composition2011
Tip unit for liquid applicator, method for producing the same, and liquid applic2011
Method of producing applicator tip2010
Aqueous ink composition2009
Double-color ink and writing utensil containing the same2004
Molded resin article and ink applicators such as ball-point pens2003
Penpoint tip and an applicator having the tip incorporated therein2002
Applicator2002
Ball-point pen and a penpoint tip therein2002
Cap for a writing instrument2002