Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130433 | Noise reduction apparatus and noise reduction method | — | 2006-10-31 |
| 5926334 | Noise reduction system for an audio system | — | 1999-07-20 |
| 5719716 | Method of and device for automatic bias control | — | 1998-02-17 |
| 5583709 | Method and apparatus for automatically selecting a noise reduction circuitry in playback mode | Satoru Kodaira, Yoshinori Takei | 1996-12-10 |
| 5515411 | X-ray image pickup tube | Hiromichi Tonami, Takahisa Nishikawa, Takayuki Takemoto, Yutaro Kimura, Keiichi Hiragaki +6 more | 1996-05-07 |
| 5483071 | Two-dimensional radiation detector | Shiro Oikawa, Takayuki Takemoto, Tutomu Katou, Kenkichi Tanioka | 1996-01-09 |
| 5021705 | Method of fabricating an image pick-up tube and target section used therewith | Masanao Yamamoto, Takaaki Unnai, Shigeru Ehata, Tadaaki Hirai, Kenji Sameshima +4 more | 1991-06-04 |
| 4883562 | Method of making a photosensor | Hirofumi Ogawa, Kenji Sameshima, Tadaaki Hirai, Takaaki Unnai, Masanao Yamamoto +3 more | 1989-11-28 |
| 4866332 | Target of image pickup tube | Yukio Takasaki, Tatsuo Makishima, Kazutaka Tsuji, Tadaaki Hirai, Eisuke Inoue +9 more | 1989-09-12 |
| 4285797 | Cathode for the electrolytic treatment of alkali halide | Masakatsu Wagu, Makoto Fukuda | 1981-08-25 |
| 4212712 | Process for the electrolytic treatment of alkali metal halide solution using ion exchange membranes | Naohiro Murayama, Makoto Fukuda, Teruo Sakagami, Yoshikazu Kokubu, Toshio Enoki | 1980-07-15 |