Gallium nitride crystal, gallium nitride substrate, and method for producing gallium nitride substrate
US-12571123-B2 · Mar 10, 2026 · US
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Shima Kohei patents
Shima Kohei is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Shima Kohei |
| Total patents | 15 |
| First publication | Oct 13, 2016 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Ceramic structure
US-2026035308-A1 · Feb 5, 2026 · US
Light-emitting device, lighting device, and optical member
US-11924937-B2 · Mar 5, 2024 · US
Gallium nitride crystal, gallium nitride substrate, and method for producing gallium nitride substrate
US-2023392280-A1 · Dec 7, 2023 · US
Method of producing a silicon compound material and apparatus for producing a silicon compound material
US-11229893-B2 · Jan 25, 2022 · US
Light-emitting device, lighting device, and optical member
US-2021278060-A1 · Sep 9, 2021 · US
Light-emitting device, lighting device, and optical member
US-11047549-B2 · Jun 29, 2021 · US
Light-emitting device, lighting device, and optical member
US-10982835-B2 · Apr 20, 2021 · US
Light-emitting device, lighting device, and optical member
US-2020332981-A1 · Oct 22, 2020 · US
Light-emitting device, lighting device, and optical member
US-2020132259-A1 · Apr 30, 2020 · US
Recent patents
Latest publications not already listed above.
Method of producing a silicon compound material and apparatus for producing a silicon compound material
US-2019135640-A1 · May 9, 2019 · US
Heat-resistant composite material production method and production device
US-10221104-B2 · Mar 5, 2019 · US
Heat-resistant composite material production method and production device
US-10167549-B2 · Jan 1, 2019 · US
Heat-resistant composite material production method and production device
US-2016305015-A1 · Oct 20, 2016 · US
Heat-resistant composite material production method and production device
US-2016297716-A1 · Oct 13, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nichia Corp | 6 |
| Ihi Corp | 6 |
| Univ Tokyo | 6 |
| Mitsubishi Chem Corp | 2 |
| Japan Steel Works Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F21V7/0091 | 6 |
| F21V5/046 | 6 |
| F21Y2115/10 | 6 |
| C04B35/565 | 6 |
| C23C16/325 | 6 |