Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568340 | Optical encoder including stationary slit part having elastic structure | Miaomiao Wang, Shunichi Odaka | 2017-02-14 |
| 8823576 | Encoder communication circuit | Hirofumi Kikuchi | 2014-09-02 |
| 8692502 | Encoder having function for detecting amount of noise | Hiroya Terashima, Hirofumi Kikuchi, Tokuhisa Matsukane | 2014-04-08 |
| 8665123 | Encoder having durability against vibration or shock | Hiroya Terashima, Nobuyuki Ootake | 2014-03-04 |
| 8402077 | Amplitude calculation apparatus of output signal of encoder and amplitude calculation program of output signal of encoder | Hirofumi Kukuchi, Tadayoshi Matsuo | 2013-03-19 |
| 7795898 | Fan having function for detecting fault in the fan | Michi Masuya, Yoshinobu Maeda, Shinichi Kinoshita | 2010-09-14 |
| 7619537 | Signal processing circuit for encoder | Hirofumi Kikuchi, Tadayoshi Matsuo | 2009-11-17 |
| 7400141 | Magnetic type angle sensor | Keisuke Imai, Ichirou Nagatomo | 2008-07-15 |
| 7247839 | Encoder for detecting position or displacement of moving body | Hirofumi Kikuchi, Hiromichi Horiuchi | 2007-07-24 |
| 7209862 | Self-diagnosing system for encoder | Hirofumi Kikouchi, Hajime Miyamoto | 2007-04-24 |
| 7196489 | Rotary shaft control apparatus | Keisuke Imai | 2007-03-27 |
| 7136740 | Machine tool control apparatus | Keisuke Imai, Masato Aochi | 2006-11-14 |
| 7011554 | Grounding mechanism for electric motor with encoder | Hirofumi Kikuchi, Hiromichi Horiuchi | 2006-03-14 |
| 7012397 | Encoder and control apparatus for motor | Keisuke Imai, Ichirou Nagatomo, Shinichi Horikoshi, Takashi Harada | 2006-03-14 |
| 6956505 | Signal processing apparatus for encoder | Tokuhisa Matsukane | 2005-10-18 |
| 6898859 | Rotary disc for encoder | Keisuke Imai | 2005-05-31 |
| 6703601 | Motion detection of an optical encoder by converging emitted light beams | Masato Aochi | 2004-03-09 |
| 6338024 | Industrial machine having abnormal vibration detecting function | Hirofumi Kikuchi | 2002-01-08 |
| 6320344 | Position control device | Keiji Sakamoto, Kanamasa Okuda | 2001-11-20 |
| 6255644 | Optical rotary encoder | Masato Aochi | 2001-07-03 |
| 6232593 | Optical encoder | Masato Aochi | 2001-05-15 |
| 6222183 | Optical encoder | Masato Aochi | 2001-04-24 |
| 6215426 | Offset correcting circuit for encoder | Tadashi Inoue | 2001-04-10 |
| 6188341 | Encoder interpolation circuit which corrects an interpolation angle between a received sine-wave encoder signal and a cosine-wave encoder signal | Tadashi Inoue | 2001-02-13 |
| 5786781 | Encoder angle data computation method and computation apparatus | Hiroshi Yamaguchi | 1998-07-28 |