Inventor
SEKINE NOBUO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SEKINE NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PILOT INK CO LTD
7 patentsUSD378761SApr 8, 1997
Ball-point pen
PILOT INK CO LTD44 citations92
USD363308SOct 17, 1995
Ball-point pen
PILOT INK CO LTD46 citations92
USD426573SJun 13, 2000
Ball-point pen
PILOT INK CO LTD36 citations91
USD426263SJun 6, 2000
Ball-point pen
PILOT INK CO LTD14 citations72
US5904432AMay 18, 1999
Ballpoint pen tip, manufacturing method therefor, and ballpoint pen using the same
PILOT INK CO LTD11 citations72
US5899625AMay 4, 1999
Ballpoint pen tip
PILOT INK CO LTD6 citations72
US6076987AJun 20, 2000
Ballpoint pen and cap therefor
PILOT INK CO LTD14 citations67