Koichi Niihara

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7323432 Catalyst assemblyAug 21, 03Jan 29, 08[B01J]
5322823 Ceramic composites and process for its productionMar 08, 93Jun 21, 94[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4889834 SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the sameExpiredSep 20, 88Dec 26, 89[C04B]
4889835 SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the sameExpiredSep 20, 88Dec 26, 89[C04B]
4746635 High strength and high hardness alumina-zirconia-silicon carbide sintered ceramic composite and its manufacturing processExpiredMay 19, 86May 24, 88[C01B, C04B]

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