Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10557565 | Positioner | — | 2020-02-11 |
| 9971360 | Positioner | Keisuke Narumi | 2018-05-15 |
| 9804006 | Angle sensor temperature correcting device | — | 2017-10-31 |
| 9281723 | Rotary electric machine with tapered permanent magnet | Kenji Watanabe, Toshiyuki Yamagishi, Naotake YOSHIZAWA | 2016-03-08 |
| 9261867 | Parameter acquiring device and method, for defining data pairs for valve control in an opening and closing direction | Toru KASHIMA, Satoshi Yuzawa, Keisuke Narumi | 2016-02-16 |
| 8979064 | Positioner | Masaki Namikawa | 2015-03-17 |
| 8955821 | Positioner | Kouji Okuda | 2015-02-17 |
| 8925896 | Positioner | Masaki Namikawa | 2015-01-06 |
| 8412471 | Measurement instrument | Tetsuya Shimakata | 2013-04-02 |
| 6896407 | Temperature information detecting device for angle sensor and position detecting device | Fumio Nagasaka, Shinichi Akano | 2005-05-24 |
| 5973720 | Focusing method, light beam optical system used therefor, and image forming apparatus using same | — | 1999-10-26 |
| 5841465 | Light beam focal position detecting device, light beam projecting device, and light beam recording apparatus | Hideki Fukunaga, Shoji Yamaguchi | 1998-11-24 |
| 5703860 | Optical imaging recording system for performing image recording by focusing modulated light beams | Hideki Fukunaga, Shoji Yamaguchi | 1997-12-30 |
| 5247503 | Optical recording and reproducing apparatus with separated high and low frequency servo signals | Kaoru Yasukawa, Kiichi Ueyanagi, Shoji Yamaguchi, Daisuke Iguchi, Akemi Murakami | 1993-09-21 |
| 5218587 | Magnetic optical recording/reproducing apparatus | Akemi Murakami, Shoji Yamaguchi, Kaoru Yasukawa, Daisuke Iguchi | 1993-06-08 |
| 5197050 | Flying head for a magneto-optical recording drive | Akemi Murakami, Shoji Yamaguchi, Kaoru Yasukawa, Daisuke Iguchi | 1993-03-23 |
| 5124961 | Floating head for use with a recording apparatus of magneto-optical memory device | Shoji Yamaguchi, Akemi Murakami, Kaoru Yasukawa, Daisuke Iguchi | 1992-06-23 |