Title:
磁石を用いた動く玩具
Document Type and Number:
Japanese Patent JP4017941
Kind Code:
B2
Inventors:
Tsutomu Yamana
Application Number:
JP2002241575A
Publication Date:
December 05, 2007
Filing Date:
August 22, 2002
Export Citation:
Assignee:
One Step Co., Ltd.
International Classes:
A63H13/20; A63H18/10; A63H29/22; A63H30/02
Domestic Patent References:
| JP2058494U | ||||
| JP3013962U | ||||
| JP59115073A | ||||
| JP57059569A | ||||
| JP39013958A |
Attorney, Agent or Firm:
Shigetoshi Nishizawa