Title:
全面マスク用眼鏡
Document Type and Number:
Japanese Patent JP4168964
Kind Code:
B2
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Inventors:
Daishi Sato
Taketo Suzuki
Hironobu Takeuchi
Ohsumi Akira
Taketo Suzuki
Hironobu Takeuchi
Ohsumi Akira
Application Number:
JP2004116695A
Publication Date:
October 22, 2008
Filing Date:
April 12, 2004
Export Citation:
Assignee:
Koken Co., Ltd.
International Classes:
G02C3/00; G02C5/14
Domestic Patent References:
JP5011954U | ||||
JP2000267049A | ||||
JP52011345U | ||||
JP60033323U | ||||
JP59066230U |
Attorney, Agent or Firm:
Takehiko Saito
Yasuyuki Hata
Yasuyuki Hata