Inventor
Kunikazu Hamaguchi
Inventor
Nagoya, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia26%
Y10TTechnical subjects covered by former us classification19%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general15%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
F02BInternal-combustion piston engines7%
Y02TClimate change mitigation technologies related to transportation7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
6,726,977'Cordierite honeycomb structure and manufacturing method thereof'20045,629,067'Ceramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structure'19975,185,110'Method of producing porous ceramic filter, using cordierite composition including talc and silica powders'19935,069,697'Porous ceramic honeycomb filter and method of producing the same'19915,030,398'Method of producing a cordierite honeycomb structural body'19914,869,944'Cordierite honeycomb-structural body and a method for producing the same'19894,849,275'Cordierite honeycomb structural bodies'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2004Patents assigned to NGK INSULATORS LTD (7)· patent assignee history
1989–1993Based in Nagoya, JP· patent location history
1997–2004Based in Kasugai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 7 | 1989–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 5 | 1989–1993 |
| Kasugai, JP | 2 | 1997–2004 |