Inventor
YUTAKA MIKAWA
Inventor
JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth23%
H01LSemiconductor devices20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
H10DInorganic electric semiconductor devices13%
H10HInorganic light-emitting semiconductor devices having potential barriers10%
B28DWorking stone or stone-like materials3%
C01BNon-metallic elements3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
12,571,123Gallium nitride crystal, gallium nitride substrate, and method for producing gallium nitride substrate202612,107,129Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device202412,060,653Bulk GaN crystal, c-plane GaN wafer, and method for manufacturing bulk GaN crystal202411,810,782Conductive C-plane GaN substrate202311,670,687Gallium nitride substrate and manufacturing method of nitride semiconductor crystal202311,664,428Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device202311,591,715GaN single crystal and method for manufacturing GaN single crystal202311,404,268Method for growing GaN crystal and c-plane GaN substrate202211,162,190Method for producing nitride crystal and nitride crystal2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to MITSUBISHI CHEM CORP (9)· patent assignee history
2021–2026Based in JP· patent location history
2026Patents assigned to JAPAN STEEL WORKS LTD (1)· patent assignee history
2026Patents assigned to UNIV TOHOKU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM CORP | 9 | 2021–2026 |
| JAPAN STEEL WORKS LTD | 1 | 2026 |
| UNIV TOHOKU | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 9 | 2021–2026 |