Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720753 | Power generation system using synchronous generator | Akira Kikuchi, Motoo Futami, Naoshi Sugawara, Kouichi Miyazaki | 2004-04-13 |
| 6567282 | Apparatus and method of sensorless control for synchronous generator | Akira Kikuchi, Motoo Futami, Naoshi Sugawara, Kouichi Miyazaki | 2003-05-20 |
| 5637406 | Metallized aluminum nitride substrate | Hironori Asai | 1997-06-10 |
| 5312698 | Aluminum nitride substrate and method for producing same | Hideki Sato | 1994-05-17 |
| 5258218 | Aluminum nitride substrate and method for producing same | Hideki Sato | 1993-11-02 |
| 5165983 | Method for production of aluminum nitride ceramic plate | Nobuyuki Mizunoya | 1992-11-24 |
| 5164246 | Highly thermoconductive ceramic | Shunichiro Tanaka, Akio Sayano, Hiroyuki Ishizuka | 1992-11-17 |
| 5019773 | Method and apparatus for detecting positions and/or speed of a moving body using two phase signals | Rika Oue, Kunio Miyashita, Hiroshi Nagase, Nobuyoshi Mutoh, Sumio Kobayashi +1 more | 1991-05-28 |
| 4922175 | Position/speed detection method and apparatus | Mitsuru Watabe, Shigeki Morinaga, Kunio Miyashita, Hiroshi Sugai | 1990-05-01 |
| 4863658 | Aluminum nitride ceramic substrate for copper and method for production thereof | Hobuyuki Mizunoya | 1989-09-05 |
| 4849292 | Method for directly bonding ceramic and metal members and laminated body of the same | Nobuyuki Mizunoya, Hajime Kohama | 1989-07-18 |
| 4704320 | Substrate structure | Nobuyuki Mizunoya, Masakazu Hatori | 1987-11-03 |
| 4693409 | Method for directly bonding ceramic and metal members and laminated body of the same | Nobuyuki Mizunoya, Hajime Kohama | 1987-09-15 |
| 4628314 | Method and apparatus for detecting position and velocity of moving body | Shigeki Morinaga, Kunio Miyashita, Tadashi Takahashi | 1986-12-09 |
| 4621224 | Position/speed detection method and apparatus | Mitsuru Watabe, Shigeki Morinaga, Tadashi Takahashi | 1986-11-04 |
| 4540462 | Substrate for semiconductor modules and method of manufacture | Nobuyuki Mizunoya, Hajime Kohama | 1985-09-10 |
| 4511827 | Apparatus for driving a polyphase brushless motor with a suppressed torque ripple | Shigeki Morinaga, Kunio Miyashita | 1985-04-16 |
| 4488103 | Motor control method and control apparatus therefor | Shigeki Morinaga | 1984-12-11 |
| 4481922 | Intake port structure for internal combustion engines | — | 1984-11-13 |
| 4469063 | Intake port structure for internal combustion engines | Kazuo Nakama | 1984-09-04 |
| 4367520 | Method and apparatus for controlling pulse width modulation inverter circuit | Nobuyoshi Muto, Yasuo Matsuda, Shigeki Morinaga | 1983-01-04 |
| 4188783 | Exhaust gas purification device | Shigemasa Sayo, Katutoshi Ueda, Hirohiko Fujiwara, Toshikatsu Hibi | 1980-02-19 |