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SUMITOMO CEMENT CO., LTD.
Patent Owner
Stats
30
total patents issued
0 Total Apps Published
Oct 28, 1997 most recent publication
Details
30 Issued Patents
0 Issued in last 3 years
0 Published in last 3 years
474 Total Citation Count
Mar 27, 1980 Earliest Filing
24 Expired/Abandoned/Withdrawn Patents
Technologies
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS 2 14
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 1 46
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1 70
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1 137
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1 159
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1 101
Top Patents (by citation)
5,526,448 Optical waveguide modulator having a reduced D.C. drift Sep 30, 94 Jun 11, 96 [G02B, G02F] 16 5,173,117 Additives for roller compacted concrete pavement Nov 21, 91 Dec 22, 92 [C04B] 9 5,681,885 Coating material for antistatic high refractive index film formation Jul 18, 96 Oct 28, 97 [C08K] 8 5,374,989 Apparatus for identifying an object utilizing a tracking means and an identification beam Oct 29, 93 Dec 20, 94 [G01N] 4 5,478,234 Apparatus for manufacturing cement clinker Dec 27, 93 Dec 26, 95 [F27B] 3 5,536,167 Method and apparatus for sintering cement clinker Feb 25, 94 Jul 16, 96 [F27B] 2
Recent Publications
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Recent Patents
5,681,885 Coating material for antistatic high refractive index film formation Jul 18, 96 Oct 28, 97 [C08K] 5,536,167 Method and apparatus for sintering cement clinker Feb 25, 94 Jul 16, 96 [F27B] 5,526,448 Optical waveguide modulator having a reduced D.C. drift Sep 30, 94 Jun 11, 96 [G02B, G02F] 5,478,234 Apparatus for manufacturing cement clinker Dec 27, 93 Dec 26, 95 [F27B] 5,374,989 Apparatus for identifying an object utilizing a tracking means and an identification beam Oct 29, 93 Dec 20, 94 [G01N] 5,173,117 Additives for roller compacted concrete pavement Nov 21, 91 Dec 22, 92 [C04B]
Top Inventors for This Owner
