Title:
【考案の名称】ボールペン
Document Type and Number:
Japanese Patent JP2521871
Kind Code:
Y2
Inventors:
Masahiko Nagai
Application Number:
JP6091890U
Publication Date:
January 08, 1997
Filing Date:
June 08, 1990
Export Citation:
Assignee:
Ogawa Kako Co., Ltd.
Tombow Pencil Co., Ltd.
Tombow Pencil Co., Ltd.
International Classes:
B43K7/02; B43K7/00; (IPC1-7): B43K7/00
Domestic Patent References:
| JP6112122Y2 | ||||
| JP5215857Y2 |
Attorney, Agent or Firm:
Taizo Sugiyama