Inventor
NAGASAWA TOSHIYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NAGASAWA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORIENT CHEMICAL IND
7 patentsUS5609671AMar 11, 1997
Water-based pigment ink and process for producing the same
ORIENT CHEMICAL IND317 citations98
US5718746AFeb 17, 1998
Process of producing aqueous pigment ink
ORIENT CHEMICAL IND95 citations96
US6099632AAug 8, 2000
Aqueous pigment ink composition
ORIENT CHEMICAL IND62 citations95
US5846307ADec 8, 1998
Aqueous pigment ink composition
ORIENT CHEMICAL IND85 citations95
US5861447AJan 19, 1999
Aqueous pigment ink composition
ORIENT CHEMICAL IND96 citations93
US5318617AJun 7, 1994
Writing board ink composition
ORIENT CHEMICAL IND26 citations92
US5905102AMay 18, 1999
Aqueous black ink composition for writing board
ORIENT CHEMICAL IND11 citations72