| 8130973 |
Superdirectional acoustic system and projector |
Kinya Matsuzawa |
2012-03-06 |
| 7909466 |
Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector |
Yoshiki Fukui |
2011-03-22 |
| 7382688 |
Ultrasonic transducer, ultrasonic speaker, and method of controlling the driving of ultrasonic transducer |
Shinichi Miyazaki |
2008-06-03 |
| 6952625 |
Recycling job supporting system, recycling center equipment, information management center equipment, equipment program, and recycling job supporting method |
Yoshiki Fukui, Mitsugu Igura, Haruhiko Baba, Takeshi Ishikawa |
2005-10-04 |
| 6483270 |
Method and device for controlling position sensorless motor |
Shinichi Miyazaki, Kunio Tabata, Akihiko Ikegami, Osamu Shinkawa |
2002-11-19 |
| 6163148 |
Sensor, drive force auxiliary device using the sensor, and torque sensor zero point adjusting mechanism of the drive force auxiliary device |
Yutaka Takada, Hiroshi Miyazawa, Kuniaki Tanaka, Hiroshi Nakazato, Katsumi Shinkai |
2000-12-19 |
| 6154422 |
Power-generating device, charging method and clocking device |
Osamu Shinkawa, Teruhiko Fujisawa |
2000-11-28 |
| 6107761 |
Drive for electric vehicle and control method of the same |
Takeshi Seto, Tatsuya Shimoda, Masao Ono, Masatoshi Fukuda, Satoshi Yamazaki |
2000-08-22 |
| 6047460 |
Method of producing a permanent magnet rotor |
Takashi Nagate, Yoshihiko Yamagishi |
2000-04-11 |
| 6034458 |
DC brushless motor having an interior permanent magnet rotor with optimal magnet thickness/air gap relationship |
Yoshihiko Yamagishi |
2000-03-07 |
| 5931245 |
Battery control system for electric vehicle |
Issei Yamakoshi, Kunihiko Takagi, Takeshi Seto, Haruki Torizuka, Tamotsu Fukazawa +1 more |
1999-08-03 |
| 5844344 |
DC brushless motor having auxiliary salient poles |
Yoshihiko Yamagishi |
1998-12-01 |
| 5827148 |
Variable speed drive unit for electric vehicle and variable speed driving method |
Takeshi Seto, Tatsuya Shimoda, Masao Ono, Masatoshi Fukuda, Satoshi Yamazaki |
1998-10-27 |
| 5780983 |
Brushless DC motor drive apparatus |
Osamu Shinkawa |
1998-07-14 |
| 5703449 |
Controller for brushless DC motor without position sensor |
Takashi Nagate, Yoshikazu Koike, Kunio Tabata |
1997-12-30 |
| 5703768 |
Motor control apparatus |
Shigeo Kanna |
1997-12-30 |
| 5518373 |
Compressor start-up controller |
Nobukazu Takagi, Kiyohiro Harada, Sakae Mashio, Osamu Shinkawa, Takeshi Fujihisa |
1996-05-21 |
| 5253481 |
Control unit for activating compressor |
Nobukazu Takagi, Osamu Takahashi, Osamu Shinkawa |
1993-10-19 |