Title:
ボールペン用ボールおよびその製造方法
Document Type and Number:
Japanese Patent JP4378467
Kind Code:
B2
Inventors:
Ueda Yoshiya
Yuichi Takahashi
Nagaki Takeshi
Yuichi Takahashi
Nagaki Takeshi
Application Number:
JP2004195054A
Publication Date:
December 09, 2009
Filing Date:
June 30, 2004
Export Citation:
Assignee:
Pentel Co., Ltd.
International Classes:
B43K1/08
Domestic Patent References:
| JP6108117A | ||||
| JP2001071672A | ||||
| JP2001121868A | ||||
| JP2002225481A |