P

Inventor

KITAO TORU

JP5 patents
⚠️ This page may combine multiple inventors who share the name “KITAO TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI PENCIL CO

4 patents
US5915871AJun 29, 1999

Ball-point pen cap

MITSUBISHI PENCIL CO12 citations73
US5711626AJan 27, 1998

Ball-point pen with back flow stop

MITSUBISHI PENCIL CO7 citations73
US5678942AOct 21, 1997

Ball-point pen

MITSUBISHI PENCIL CO14 citations72
US5690442ANov 25, 1997

Metal tip for ball-point pen

MITSUBISHI PENCIL CO2 citations59

MITSUBISHI PENCIL KABUSHIKIKAI

1 patent
US6887008B2May 3, 2005

Ballpoint pen tip, ballpoint pen utilizing the ballpoint pen tip and method of manufacturing the ballpoint pen tip

MITSUBISHI PENCIL KABUSHIKIKAI12 citations82