| Patent | Date |
|---|
Manufacturing method of three-dimensional structure
Grant 8,309,176 - Isano , et al. November 13, 2 | 2012-11-13 |
Polarizer
Grant 8,305,683 - Asano , et al. November 6, 2 | 2012-11-06 |
Polarizer
App 20100118392 - Asano; Kosuke ; et al. | 2010-05-13 |
Manufacturing Method Of Three-dimensional Structure
App 20090304928 - Isano; Taisuke ; et al. | 2009-12-10 |
Interference measuring apparatus for detecting a plurality of stable phase difference signals
Grant 7,375,820 - Ishizuka , et al. May 20, 2 | 2008-05-20 |
Optical element, method of manufacturing same, and optical apparatus using optical element
App 20060126699 - Kaneda; Yasushi | 2006-06-15 |
Interference measuring apparatus
App 20060114474 - Ishizuka; Ko ; et al. | 2006-06-01 |
Compact interference measuring apparatus for detecting the magnitude and direction of positional deviation
Grant 7,034,947 - Ishizuka , et al. April 25, 2 | 2006-04-25 |
Polarization insensitive beam splitting grating and apparatus using it
Grant 6,900,939 - Hoshi , et al. May 31, 2 | 2005-05-31 |
Shoe insole
App 20050060910 - Kaneda, Yasushi ; et al. | 2005-03-24 |
Encoder
Grant 6,674,066 - Kaneda , et al. January 6, 2 | 2004-01-06 |
Compact interference measuring apparatus detecting plurality of phase difference signals
App 20030223075 - Ishizuka, Ko ; et al. | 2003-12-04 |
Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals
Grant 6,657,181 - Ishizuka , et al. December 2, 2 | 2003-12-02 |
Displacement detecting apparatus and information recording apparatus
Grant 6,618,218 - Kadowaki , et al. September 9, 2 | 2003-09-09 |
Beam splitting element and optical apparatus using it
App 20030161043 - Hoshi, Hikaru ; et al. | 2003-08-28 |
Temperature measuring device
Grant 6,004,031 - Takayama , et al. December 21, 1 | 1999-12-21 |
Optical displacement measuring apparatus including a light-emitting element and an adjacent ball lens
Grant 5,880,839 - Ishizuka , et al. March 9, 1 | 1999-03-09 |
Apparatus for optically detecting displacement of an object using a synthesizing means utilizing a substrate with two diffraction gratings thereon
Grant 5,680,211 - Kaneda , et al. October 21, 1 | 1997-10-21 |
Optical detection apparatus for detecting information relating to relative displacement of an object on whch a diffraction grating is formed
Grant 5,666,196 - Ishii , et al. September 9, 1 | 1997-09-09 |
Rotary encoder measuring substantially coinciding phases of interference light components
Grant 5,661,296 - Ishizuka , et al. August 26, 1 | 1997-08-26 |
Apparatus for measuring relative displacement between the apparatus and a scale which a grating is formed
Grant 5,621,527 - Kaneda , et al. April 15, 1 | 1997-04-15 |
Velocity information detecting apparatus
Grant 5,557,396 - Ishizuka , et al. September 17, 1 | 1996-09-17 |
Displacement detection apparatus
Grant 5,483,377 - Kaneda , et al. January 9, 1 | 1996-01-09 |
Displacement information detection apparatus for receiving a divergent light beam
Grant 5,390,022 - Ishizuka , et al. February 14, 1 | 1995-02-14 |
Displacement detecting device with integral optics
Grant 5,283,434 - Ishizuka , et al. February 1, 1 | 1994-02-01 |
| 