Title:
A seal unit, a seal release device, and a key management device
Document Type and Number:
Japanese Patent JP6261382
Kind Code:
B2
Inventors:
Atsushi Okino
Hiroshi Yamamoto
Eiji Yumoto
Hiroshi Yamamoto
Eiji Yumoto
Application Number:
JP2014038411A
Publication Date:
January 17, 2018
Filing Date:
February 28, 2014
Export Citation:
Assignee:
Kumahira Manufacturing Co., Ltd.
International Classes:
E05B19/00
Domestic Patent References:
| JP2011179164A | ||||
| JP2013104255A |
Foreign References:
| US4129021 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark
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