Miyama Kogyo Kabushiki Kaisha

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
  
 
E03F SEWERS; CESSPOOLS111
 
  
 
E06C LADDERS 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6029772 Ladder provided with reflectorsMar 12, 99Feb 29, 00[E06C]
5967256 FootholdMar 19, 99Oct 19, 99[E02D]
5944140 Foothold provided with reflectorsDec 30, 98Aug 31, 99[E02O]
5507600 Reflecting body having high luminanceDec 09, 94Apr 16, 96[E02D, E03F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6589037 Device for covering a core of a foothold with synthetic resinExpiredJul 25, 01Jul 08, 03[B29C]
6302618 FootholdExpiredApr 16, 98Oct 16, 01[E06C, E04G]
6125967 FootholdExpiredApr 30, 99Oct 03, 00[E06C]
6068083 FootholdExpiredMar 19, 99May 30, 00[E06C]
5906259 Parking rod in parking lock device of automatic transmissionExpiredApr 18, 97May 25, 99[B60K, B60T]
5772358 FootholdExpiredMay 16, 96Jun 30, 98[E01C, E04G]
5752579 FootholdExpiredJun 25, 96May 19, 98[E04F]
4842784 Method of manufacturing a climbing step with embedded reflection plateExpiredJul 26, 88Jun 27, 89[B29C]
4778032 Climbing step with embedded reflection plateExpiredJul 21, 87Oct 18, 88[E02B, E02D, E04G]

Top Inventors for This Owner

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