Inventor
Tsuneaki Narumiya
Inventor
Yokohama, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation19%
C04BLime, magnesia19%
C22BProduction and refining of metals14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
Y10TTechnical subjects covered by former us classification14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B41FPrinting machines or presses3%
B41NPrinting plates or foils3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
F16LPipes3%
PatentTitleYear
4,765,833'Porous ceramic structure and method of filtering aluminum'19884,740,406'Porous ceramic structure'19884,568,273'Gas-permeable thermal insulator'19864,560,478'Porous ceramic article'19854,426,287'Molten metal filtering device'19844,358,505'Ink roller and a method of producing the same'19824,308,233'Device for purification of exhaust gas'19814,302,502'Ceramic porous bodies'19814,257,810'Cordierite, silica, alumina porous ceramic body'19814,258,099'Cordierite, alumina, silica porous ceramic bodies coated with an activated alumina layer'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to BRIDGESTONE TIRE CO LTD (8)· patent assignee history
1981–1988Based in Yokohama, JP· patent location history
1988Patents assigned to BRIDGESTONE CORP (2)· patent assignee history
1988Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE TIRE CO LTD | 8 | 1981–1986 |
| BRIDGESTONE CORP | 2 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 9 | 1981–1988 |
| Kanagawa, JP | 1 | 1988 |