Inventor
TAKUMI UMADA
Inventor
JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals18%
C22CAlloys18%
C23CCoating metallic material18%
H01FMagnets18%
C03CChemical composition of glasses, glazes or vitreous enamels14%
H01JElectric discharge tubes or discharge lamps5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
12,415,745Glass, chemically tempered glass, and method for producing same202512,168,626Chemically strengthened glass and method for producing same202412,145,879Chemically strengthened glass plate, and cover glass and electronic device comprising chemically strengthened glass202411,781,196Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet202311,732,348Surface treatment facility202311,326,219Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet202211,293,070Grain-oriented electrical steel sheet202211,180,834Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2023Patents assigned to JFE STEEL CORP (5)· patent assignee history
2021–2025Based in JP· patent location history
2024–2025Patents assigned to AGC INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 5 | 2021–2023 |
| AGC INC | 3 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 8 | 2021–2025 |