Inventor
YOSHIO OKAYAMA
Inventor
JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth31%
C23CCoating metallic material13%
H01LSemiconductor devices13%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
C01BNon-metallic elements6%
H10DInorganic electric semiconductor devices6%
B24BMachines, devices, or processes for grinding or polishing3%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
PatentTitleYear
12,282,199Light emitting device, manufacturing method therefor, and waveguide structure202512,049,710Group-III nitride substrate202411,795,573Method of manufacturing group III nitride crystal by reacting an oxidizing gas containing nitrogen with a group III element droplet and growing a group III nitride crystal on a seed substrate202311,713,517Group-III nitride substrate202311,713,516Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal202311,624,128Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal202311,396,716Group-III nitride substrate containing carbon at a surface region thereof202211,377,757Method for producing group III nitride crystal and seed substrate202211,370,076RAMO4 substrate and manufacturing method thereof202211,248,310Group III nitride substrate and method for producing group III nitride crystal202211,220,759Method of manufacturing a group III-nitride crystal comprising a nucleation step, a pyramid growth step, a lateral growth step, and a flat thick film growth step2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to PANASONIC CORP (7)· patent assignee history
2022–2024Patents assigned to PANASONIC HOLDINGS CORP (7)· patent assignee history
2022–2023Patents assigned to UNIV OSAKA (4)· patent assignee history
2022–2025Patents assigned to PANASONIC IP MAN CO LTD (3)· patent assignee history
2022–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC CORP | 7 | 2022–2023 |
| PANASONIC HOLDINGS CORP | 7 | 2022–2024 |
| UNIV OSAKA | 4 | 2022–2023 |
| PANASONIC IP MAN CO LTD | 3 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 11 | 2022–2025 |