Inventor
Tomomasa Kumagai
Inventor
Miyako-gun, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia29%
B29CShaping or joining of plastics21%
Y10TTechnical subjects covered by former us classification21%
C03CChemical composition of glasses, glazes or vitreous enamels14%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
PatentTitleYear
9,890,085'Ceramic honeycomb structure and its production method'20189,011,757'Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same'20158,894,916'Method for producing aluminum-titanate-based ceramic honeycomb structure'20148,663,777'Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2018Patents assigned to HITACHI METALS LTD (4)· patent assignee history
2014–2018Patents assigned to KUMAGAI TOMOMASA (3)· patent assignee history
2014–2018Patents assigned to SUWABE HIROHISA (3)· patent assignee history
2014–2018Patents assigned to YOSHIDA MASARU (3)· patent assignee history
2014Patents assigned to YAMANE HIDEYA (1)· patent assignee history
2014–2018Based in Miyako-gun, JP· patent location history
2014Based in Moka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI METALS LTD | 4 | 2014–2018 |
| KUMAGAI TOMOMASAself | 3 | 2014–2018 |
| SUWABE HIROHISA | 3 | 2014–2018 |
| YOSHIDA MASARU | 3 | 2014–2018 |
| YAMANE HIDEYA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Miyako-gun, JP | 3 | 2014–2018 |
| Moka, JP | 1 | 2014 |