Manufacturing device and manufacturing method of optical fiber grating
US-10976487-B2 · Apr 13, 2021 · US
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Hata Keiichiro patents
Hata Keiichiro is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hata Keiichiro |
| Total patents | 2 |
| First publication | Feb 14, 2019 |
| Latest publication | Apr 13, 2021 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Fujikura Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02B6/02152 | 2 |
| G02B6/02123 | 2 |
| G02B6/02 | 2 |
| G02B6/02147 | 2 |
| G02B6/02138 | 2 |