Title:
熱変色性筆記具
Document Type and Number:
Japanese Patent JP5694836
Kind Code:
B2
Inventors:
K. Iwata
Application Number:
JP2011089103A
Publication Date:
April 01, 2015
Filing Date:
April 13, 2011
Export Citation:
Assignee:
Pilot Ink Co., Ltd.
Pilot Corporation Co., Ltd.
Pilot Corporation Co., Ltd.
International Classes:
B43K7/12; B43K8/02; B43K24/02; B43K25/02; B43K29/02
Domestic Patent References:
| JP381792U | ||||
| JP3139755U | ||||
| JP454890U | ||||
| JP63691U |
Foreign References:
| WO2008105227A1 |