Inventor

MAKI MASAHISA

JP3 patents

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

PILOT INK CO LTD

2 patents

US4844642AJul 4, 1989

Cap for writing equipment

PILOT INK CO LTD30 citations88

US6341914B2Jan 29, 2002

Ballpoint pen tip and ballpoint pen using the same

PILOT INK CO LTD4 citations58

(unassigned)

1 patent

USD452527SDec 25, 2001

Ball-point pen

30 citations88