Inventor
FUKASAWA TERUAKI
JP9 patents
Patents
9 patentsUS5984559ANov 16, 1999
Ballpoint pen refill and fabrication method thereof
PILOT KK32 citations89
US6083311AJul 4, 2000
Water based ink having metallic luster adapted for direct-filling in ball-point pen
PILOT KK19 citations88
US5945484AAug 31, 1999
Water-in-oil type disperse ink
PILOT KK14 citations72
US6479568B1Nov 12, 2002
Non-aqueous ball point pen ink and ball point pen using the ink
PILOT KK12 citations70
US6114412ASep 5, 2000
Water-based ink with metallic gloss for direct fill in ball-point pen
PILOT KK9 citations69
US5767172AJun 16, 1998
Water base ink composition directly fed to a pen body of a ball-point pen
PILOT KK6 citations61
US6503966B1Jan 7, 2003
Gelled non-aqueous ball point pen ink for forming drawn line approximate to that of aqueous ball point pen and ball point using the ink
PILOT KK3 citations59
US6478496B1Nov 12, 2002
Ink follower for writing tool
PILOT KK5 citations59
US5925175AJul 20, 1999
Direct filling ink capable of being used for a ballpoint pen containing an aqueous ink composition
PILOT KK0 citations51