MAC CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5198868 Laser surveying system having a function of marking reference pointsJul 20, 92Mar 30, 93[G01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0231,049 VAPOR COMPRESSION REFRIGERATION SYSTEMAbandonedFeb 14, 14Aug 21, 14[F25B]
2011/0255,979 IMPELLER FOR TURBINEAbandonedJun 15, 09Oct 20, 11[F01D]
5237384 Laser positioner and marking method using the sameExpiredJul 05, 91Aug 17, 93[G01C, G01B, E21C]
4844319 Mechanism for cutting staple legs in a staplerExpiredNov 02, 87Jul 04, 89[B27F]
4671654 Automatic surveying apparatus using a laser beamExpiredMay 21, 84Jun 09, 87[G01B]

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