Title:
水中通信システム
Document Type and Number:
Japanese Patent JP4333475
Kind Code:
B2
Inventors:
Kunio Hashiba
Hiroshi Okazaki
Hiroshi Okazaki
Application Number:
JP2004144330A
Publication Date:
September 16, 2009
Filing Date:
May 14, 2004
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04B11/00; H04J13/00; H04J13/16
Domestic Patent References:
| JP2001094516A | ||||
| JP2001203645A | ||||
| JP8331065A |
Attorney, Agent or Firm:
Manabu Inoue