| 11906333 |
Position detection device and conveyance device |
Shigeru Ishimoto, Chihiro Murayama |
2024-02-20 |
| 11512942 |
Displacement detection device |
Akinori Suzuki, Masayuki Niiya, Kenji Matsushita, Terukazu Nishida, Hideaki Tamiya |
2022-11-29 |
| 9970788 |
Scale measuring device, method for generating position information, and device with multi-axis stage |
Shigeaki Maruyama, Masaaki Kusumi |
2018-05-15 |
| 9810521 |
Displacement detection apparatus |
Akinori Suzuki, Masayuki Niiya, Kenji Matsushita, Terukazu Nishida, Hideaki Tamiya |
2017-11-07 |
| 8247786 |
Non-contact displacement detecting device using optical astigmatism |
Hideaki Tamiya |
2012-08-21 |
| 7808650 |
Displacement measuring apparatus |
Masahito Kon, Hideaki Tamiya, Yasuhiko Onodera, Hideki Tsuchiya, Akihiro Kuroda |
2010-10-05 |
| 7336367 |
Light-receiving/emitting composite unit, method for manufacturing the same, and displacement detection device |
Hideaki Tamiya, Akihiro Kuroda, Hidehiro Kume |
2008-02-26 |
| 7238931 |
Displacement detection apparatus |
Nobuo Nabeshima, Eiko Kanbara |
2007-07-03 |
| 7187449 |
Light-receiving/emitting composite unit, method for manufacturing the same, and displacement detection device |
Hideaki Tamiya, Akihiro Kuroda, Hidehiro Kume |
2007-03-06 |
| 7136241 |
Information writing device |
Akihiro Kuroda |
2006-11-14 |
| 7034948 |
Displacement pickup |
Hideaki Tamiya, Akihiro Kuroda |
2006-04-25 |
| 6980303 |
Light-emitting/receiving combined unit and displacement sensors using the same |
Hidehiro Kume, Akihito Nakayama, Akihiro Kuroda |
2005-12-27 |
| 6879405 |
Displacement pickup |
Hideaki Tamiya, Eiko Kanbara |
2005-04-12 |
| 6583948 |
Disc recording/reproducing apparatus and servo signal writing apparatus |
— |
2003-06-24 |
| 5325349 |
Hard disc drive and a servo signal writing apparatus |
— |
1994-06-28 |
| 5247165 |
Displacement detecting apparatus using graduated linear scale |
Akitaka Hiruta, Takao Yukawa |
1993-09-21 |
| 5225918 |
Hologram scale, apparatus for making hologram scale, moving member having hologram scale assembled hologram scale and apparatus for making assembled hologram scale |
Hideki Tsuchiya |
1993-07-06 |
| 4676645 |
Optical instrument for measuring displacement |
Hideki Tsuchiya, Masaaki Toyama |
1987-06-30 |