Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601644 | Corrosion preventing layer forming method | Tatsuo Ozaki, Satomi Muto, Takaaki Sakane, Hirokazu Yamaguchi, Satoshi Tanaka | 2003-08-05 |
| 6010578 | Flux for brazing aluminum members | Makoto Ono, Masahiro Hattori, Yutaka Yanagawa | 2000-01-04 |
| 5903592 | Radio transmission system | — | 1999-05-11 |
| 5548811 | Automatic frequency control circuit selectively using frequency-divided local oscillator signal or pilot signal | Yoshiaki Kumagai, Yoichi Endo | 1996-08-20 |
| 5442811 | Loop testable radio transmitters/receivers | Fumihiko Kobayashi | 1995-08-15 |
| 5257415 | Automatic transmission level control device | Yoshiaki Kumagai, Yoichi Endo | 1993-10-26 |
| 5235292 | Signal generator having backup oscillator switching circuit | Yoichi Endo, Yoshiaki Kumagai | 1993-08-10 |
| 4968951 | Phase locked loop having circuit for recovering from oscillation stoppage | Yoshiaki Kumagai | 1990-11-06 |
| 4906534 | Composite aluminum thin plates for brazing and method for preparing same | Yoichiro Bekki, Shigenori Asami, Kazunori Ishikawa, Takeyoshi Doko | 1990-03-06 |
| 4625180 | Intermittently operated frequency synthesizer having suppressed frequency instability | Takeshi Takano, Takaharu Nakamura | 1986-11-25 |
| 4394626 | Phase synchronizing circuit | Hiroshi Kurihara, Sadao Takenaka | 1983-07-19 |