Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7313125 | OFDM demodulation method and semiconductor integrated circuit device | Toyokazu Hori, Hiroshi Nogami, Toshihito Habuka, Naoto Inokawa | 2007-12-25 |
| 6727425 | Power generation satellite and transmission antenna apparatus | Hiroyuki Satou, Izuru Naito, Izumi Mikami | 2004-04-27 |
| 6528719 | Space photovoltaic power generation method and system | Izumi Mikami, Yoshihiko Konishi | 2003-03-04 |
| 6495751 | Space photovoltaic power generation system, power satellite, and electric power base | Izumi Mikami, Yoshihiko Konishi | 2002-12-17 |
| 6492940 | Method of and system for receiving microwave | Izumi Mikami, Yoshihiko Konishi | 2002-12-10 |
| 6477185 | Demultiplexing and decoding apparatus for coded audio and video data | Hironori Komi, Masuo Oku, Takanori Eda, Iwao Ishinabe, Tomohisa Ooishi | 2002-11-05 |
| 6108221 | Pulse width modulation converter | Yoshinori Isomura | 2000-08-22 |
| 6040673 | Motor control apparatus | Yoshinori Isomura, Masahiro Yasohara | 2000-03-21 |
| 6021058 | PWM inverter with zero dead time and initial power supply capacitor charging | Masahiro Yasohara, Yasushi Kato, Shinichi Emura, Yuji Tanaka, Kouji Takada +1 more | 2000-02-01 |
| 5929576 | Protection apparatus for brushless motor | Masahiro Yasohara, Yoshihiro Fujisaki | 1999-07-27 |
| 5889380 | Current command type PWM inverter apparatus for driving and controlling three-phase motor based on periodical state updating timings | Yoshinori Isomura | 1999-03-30 |
| 5859770 | Output circuit for PWM inverter with no floating state | Masahiro Yasohara, Shinichi Emura | 1999-01-12 |
| 5850130 | Driving apparatus for a brushless motor and rotor position detecting apparatus for the motor | Yoshihiro Fujisaki | 1998-12-15 |
| 5805438 | Current controlled PWM inverter for driving a motor without gain adjustment | Yoshinori Isomura | 1998-09-08 |
| 5747833 | Apparatus for driving induction motor | Yoshihiro Fujisaki, Shinichi Emura | 1998-05-05 |
| 5729449 | Current command type PWM inverter apparatus with logic circuit for generating switching command signals at periodical timings | Yoshinori Isomura, Toshiki Tsubouchi | 1998-03-17 |
| 5703459 | Driver for an induction motor | Masahiro Yasohara, Yoshihiro Fujisaki | 1997-12-30 |
| 5535115 | Output circuit of PWM inverter wherein floating time is reduced | Toru Kishi | 1996-07-09 |
| 5347444 | Output circuit of PWM inverter | Toru Kishi | 1994-09-13 |
| 5309079 | Digital three-phase PWM signal | — | 1994-05-03 |
| 5295173 | Frequency divider for dividing two input pulses | Yoshihiro Matsui | 1994-03-15 |
| 4831344 | IC output circuit for use in pulse width modulator | Yoshihiro Ashizaki | 1989-05-16 |