Seiji Kagawa

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
H01Q AERIALS 2108
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 115
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9616640 Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatusSep 02, 15Apr 11, 17[B26D, H01Q, H05K, B32B]
9238351 Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatusFeb 12, 10Jan 19, 16[B26D, H01Q, B32B, H05K]
9096013 Apparatus for forming slant, linear easy-to-tear portions on long plastic filmJun 18, 12Aug 04, 15[B29C]
5458951 Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control filmApr 12, 94Oct 17, 95[B29C, B28B, B32B]
5415538 Porous film manufacturing apparatusJul 30, 93May 16, 95[B26F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5648107 Porous film manufacturing apparatusExpiredOct 06, 94Jul 15, 97[B28B]

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