Gain flattening filter, and method for manufacturing gain flattening filter
US-12204140-B2 · Jan 21, 2025 · US
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Kinugasa Jun patents
Kinugasa Jun is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kinugasa Jun |
| Total patents | 7 |
| First publication | May 23, 2019 |
| Latest publication | Jan 21, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Optical amplification transmission line
US-2024275117-A1 · Aug 15, 2024 · US
Gain flattening filter, and method for manufacturing gain flattening filter
US-2023152514-A1 · May 18, 2023 · US
Slant-type fiber grating
US-11448821-B2 · Sep 20, 2022 · US
Slant-type fiber grating
US-2021223468-A1 · Jul 22, 2021 · US
Optical fiber and slanted fiber grating
US-10908353-B2 · Feb 2, 2021 · US
Optical fiber and slanted fiber grating
US-2019154912-A1 · May 23, 2019 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Sumitomo Electric Industries | 7 |
| Sumitomo Electric Optifrontier Co Ltd | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02B6/02119 | 4 |
| G02B6/02085 | 4 |
| G02B6/03627 | 4 |
| G02B6/02004 | 3 |
| G02B6/03622 | 2 |