Inventor

ASADA KATSUHISA

JP2 patents

⚠️ This page may combine multiple inventors who share the name “ASADA KATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PILOT INK CO LTD

1 patent

US7297730B2Nov 20, 2007

Ballpoint-pen ink compositions

PILOT INK CO LTD6 citations56

PILOT CORPORATION KK

1 patent

US12139623B2Nov 12, 2024

Oil-based ink composition for writing board and marking pen incorporating same

PILOT CORPORATION KK0 citations40