Seiko Koki Kabushiki Kaisha

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE33117 Focal plane shutter for camerasDec 06, 84Nov 21, 89[G03B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4660949 Automatic film sensitivity setting device for camerasExpiredJun 13, 86Apr 28, 87[G03B]
4650306 Electromagnetically releasable shutter for a cameraExpiredApr 22, 85Mar 17, 87[G03B]
4648700 Distance detecting device for a cameraExpiredMay 24, 85Mar 10, 87[G03B]
4579450 Distance detector deviceExpiredDec 20, 82Apr 01, 86[G03B, G01C]
4497560 Control circuit for active type range finderExpiredJan 10, 83Feb 05, 85[G03B, G01C]
4436418 Distance detector deviceExpiredSep 04, 81Mar 13, 84[G03B, G01C]
4423966 Alarm control system for alarm clockExpiredDec 19, 80Jan 03, 84[G04B]
4418998 Automatic focusing device for the cameraExpiredMay 17, 82Dec 06, 83[G03B]
4400091 Second stop device of clockExpiredFeb 05, 81Aug 23, 83[G04B]
4389105 Device for detecting coincident focusing pointsExpiredNov 17, 78Jun 21, 83[G03B]
4385817 Focusing detecting deviceExpiredOct 10, 80May 31, 83[G03B]
4382694 Timepiece circuit for compensating time lag joined with reset releasingExpiredFeb 19, 80May 10, 83[G04C]
4376994 Time detecting device for alarm clockExpiredDec 19, 80Mar 15, 83[G04B, G04C]
4374615 Exposure control circuit for cameras equipped with self-timerExpiredApr 28, 81Feb 22, 83[G03B]
4371267 Time detecting device for alarm clockExpiredDec 19, 80Feb 01, 83[G04B, G04C]
4364648 Safety device of auto-focusing point adjusting cameraExpiredDec 28, 78Dec 21, 82[G03B]
4359634 Automatic focusing deviceExpiredApr 25, 80Nov 16, 82[G01J]
4355872 Camera equipped with electronic shutter having automatic focus detecting deviceExpiredJan 23, 79Oct 26, 82[G03B]
4353631 Exposure information input circuit for electric shutterExpiredApr 25, 80Oct 12, 82[G03B]
4350427 Electromagnetic shutter release device for camerasExpiredMay 11, 79Sep 21, 82[G03B]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.