Representative country of application |
: | 日本 |
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Application number |
: | 2019-156319 |
Publication number |
: | 2021-031816 |
Patent number |
: | 7317313 |
Date of filing |
: | 2019/08/29 |
Date of publication |
: | 2021/03/01 |
Date of patent |
: | 2023/07/21 |
International patent classification |
: | A62B 18/08 (2006.01):A41D 13/11 (2006.01):B23K 9/32 (2006.01) |
Relevant patent |
: | 特許第6143261号名称:NDフィルタ及び太陽観察用NDフィルタ並びにこれらの製造方法 |
Published unexamined patent application |
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Link for Patent Gazette |
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Licensable Patent Information Database |
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Access From 2021.3.1 |
: |
- Accesses |
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Licensable Patent Information Database