Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water-based ink with metallic gloss for direct fill in ball-point pen

Water-based ink with metallic gloss for direct fill in ball-point pen

US Patent 6114412 · Granted Sep 5, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ink composition for oil-based ballpoint pen and method for production thereof, a2008
Gelled non-aqueous ball point pen ink for forming drawn line approximate to that2003
Ink follower for writing tool2002
Non-aqueous ball point pen ink and ball point pen using the ink2002
Water based ink having metallic luster adapted for direct-filling in ball-point 2000
Water based ink having metallic luster adapted for direct-filling in ball-point 2000
Ballpoint pen refill and fabrication method thereof1999
Water-in-oil type disperse ink1999
Direct filling ink capable of being used for a ballpoint pen containing an aqueo1999
Water base ink composition directly fed to a pen body of a ball-point pen1998