Title:
視力回復補助器具
Document Type and Number:
Japanese Patent JP4022506
Kind Code:
B2
Inventors:
Masayasu Sato
Application Number:
JP2003319650A
Publication Date:
December 19, 2007
Filing Date:
September 11, 2003
Export Citation:
Assignee:
Masayasu Sato
Masahiro Sato
Masahiro Sato
International Classes:
A61H5/00; A61F9/007
Domestic Patent References:
| JP2003220104A | ||||
| JP4835692A | ||||
| JP51124087A | ||||
| JP53025093A |
Attorney, Agent or Firm:
Shoji Suzue
Toshiyuki Kimura
Toshiyuki Kimura