Inventor
Kazuhiko Kumazawa
Inventor
Nagoya, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia16%
B01DSeparation10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%
Y10TTechnical subjects covered by former us classification9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
F02GHot gas or combustion-product positive-displacement engine plants7%
F03GSpring, weight, inertia or like motors7%
F25BRefrigeration machines, plants or systems7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
F02BInternal-combustion piston engines5%
PatentTitleYear
9,869,303'Heat/acoustic wave conversion component and heat/acoustic wave conversion unit'20189,803,596'Honeycomb filter'20179,765,760'Heat/acoustic wave conversion component and heat/acoustic wave conversion unit'20179,759,201'Heat/acoustic wave conversion component and heat/acoustic wave conversion unit'20179,759,157'Heat/acoustic wave conversion unit'20179,700,842'Honeycomb filter'20176,818,580'Honeycomb ceramics structure body and method for producing the same'20046,726,977'Cordierite honeycomb structure and manufacturing method thereof'20046,589,465'Method for producing ceramic honeycomb structural body'20036,210,645'Honeycomb regenerator'20015,992,504'Honeycomb regenerator'19995,846,899'Ceramic honeycomb catalyst having excellent thermal shock resistance'19985,721,037'Honeycomb structural bodies and method of producing the same'19985,609,807'Production of ceramic structural bodies'19975,567,663'Cordierite honeycomb ceramics and method producing the same'19965,549,725'Cordierite ceramic filter'19965,545,243'Porous ceramic honeycomb filter'19965,185,110'Method of producing porous ceramic filter, using cordierite composition including talc and silica powders'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2018Patents assigned to NGK INSULATORS LTD (18)· patent assignee history
1993–2018Based in Nagoya, JP· patent location history
2004Based in Sint-Michiels, BE· patent location history
2004Based in Hashima-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 18 | 1993–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 16 | 1993–2018 |
| Sint-Michiels, BE | 1 | 2004 |
| Hashima-shi, JP | 1 | 2004 |