YOKOYAMA; Eiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for YOKOYAMA; Eiji.The latest application filed is for "formation flight control device, observation satellite, ground station, formation flight system, sand observation system, formation flight control method, and program".
- YOKOYAMA; Eiji - Tokyo JP
- Yokoyama; Eiji - Matsumoto N/A JP
- YOKOYAMA; Eiji - Matsumoto-shi JP
- Yokoyama; Eiji - Kyoto JP
- Yokoyama; Eiji - Nagaokakyo JP
- Yokoyama; Eiji - Kashiwa JP
| Patent | Date |
|---|---|
| Formation Flight Control Device, Observation Satellite, Ground Station, Formation Flight System, Sand Observation System, Formation Flight Control Method, And Program App 20220185506 - KAWAMURA; Masanori ; et al. | 2022-06-16 |
| Elevator Control Device App 20220135367 - KIMURA; Tetsuya ; et al. | 2022-05-05 |
| Elevator Control Device App 20210269278 - HIRABAYASHI; Kazufumi ; et al. | 2021-09-02 |
| Electric motor control device Grant 11,101,760 - Kimura , et al. August 24, 2 | 2021-08-24 |
| Electric Motor Control Device App 20210194402 - KIMURA; Tetsuya ; et al. | 2021-06-24 |
| Reaction Compensation Device And Fast Steering Mirror System App 20210141404 - TAKAHARA; Osamu ; et al. | 2021-05-13 |
| Projection optical instrument and headlight device Grant 10,495,281 - Yamazumi , et al. De | 2019-12-03 |
| Projection Optical Instrument And Headlight Device App 20190301700 - YAMAZUMI; Mitsuhiro ; et al. | 2019-10-03 |
| Optical element, screen, and display device Grant 8,879,143 - Okagaki , et al. November 4, 2 | 2014-11-04 |
| Projector Grant 8,827,457 - Yokoyama , et al. September 9, 2 | 2014-09-09 |
| Projector Grant 8,675,145 - Wakabayashi , et al. March 18, 2 | 2014-03-18 |
| Vibration damping device and disc device having vibration damping device Grant 8,390,951 - Yokoyama March 5, 2 | 2013-03-05 |
| Optical Element, Screen, And Display Device App 20120224109 - Okagaki; Satoru ; et al. | 2012-09-06 |
| Vibration Damping Device And Disc Device Having Vibration Damping Device App 20120155243 - Yokoyama; Eiji | 2012-06-21 |
| Optical disc device Grant 8,149,665 - Yokoyama April 3, 2 | 2012-04-03 |
| Projector App 20110181838 - YOKOYAMA; Eiji ; et al. | 2011-07-28 |
| Projector App 20110181799 - WAKABAYASHI; Shinichi ; et al. | 2011-07-28 |
| Prism structure and projector Grant 7,661,823 - Terada , et al. February 16, 2 | 2010-02-16 |
| Optical disc device App 20090003168 - Yokoyama; Eiji | 2009-01-01 |
| Position control method Grant 7,116,611 - Yokoyama October 3, 2 | 2006-10-03 |
| Prism structure and projector App 20060209265 - Terada; Yoshihiro ; et al. | 2006-09-21 |
| Optical disk device for data defect detection and use App 20060002266 - Yokoyama; Eiji ; et al. | 2006-01-05 |
| Optical disk device for data defect detection and use Grant 6,947,359 - Yokoyama , et al. September 20, 2 | 2005-09-20 |
| Image sensor substrate and image sensor employing it Grant 6,724,503 - Sako , et al. April 20, 2 | 2004-04-20 |
| Protection circuit module for rechargeable battery and method of making the same Grant 6,654,218 - Yokoyama , et al. November 25, 2 | 2003-11-25 |
| Position control method App 20030058768 - Yokoyama, Eiji | 2003-03-27 |
| Optical interface with low-voltage relay unit and high-voltage regulation unit Grant 6,489,757 - Ogata , et al. December 3, 2 | 2002-12-03 |
| High-voltage interface App 20020043967 - Ogata, Masaaki ; et al. | 2002-04-18 |
| Optical disk device App 20010021148 - Yokoyama, Eiji ; et al. | 2001-09-13 |
| Method and apparatus for controlling surface pressure exerted on a movable magnetic head by a recording medium Grant 5,602,688 - Yokoyama , et al. February 11, 1 | 1997-02-11 |
| Tape tension control for a magnetic recording and reproducing apparatus that adjusts spacing error based on the reproduced signal envelope Grant 5,481,417 - Yokoyama , et al. January 2, 1 | 1996-01-02 |
| Magnetic head position controller in a magnetic recording and reproducing apparatus Grant 5,384,676 - Yokoyama , et al. January 24, 1 | 1995-01-24 |
| Magnetic recording and reproducing apparatus using an electromagnetic actuator for automatic tracking Grant 5,157,563 - Nagasawa , et al. October 20, 1 | 1992-10-20 |
| Reformer Grant 4,838,897 - Amano , et al. June 13, 1 | 1989-06-13 |
| Power generator containing fuel cell Grant 4,693,945 - Ohyauchi , et al. September 15, 1 | 1987-09-15 |
| Fuel cell apparatus Grant 4,554,223 - Yokoyama , et al. November 19, 1 | 1985-11-19 |
| Screw fluid machine Grant 4,174,196 - Mori , et al. November 13, 1 | 1979-11-13 |
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