Issued Patents All Time
Showing 226–249 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983465 | Thin film magnetic head | Osamu Shimizu | 1991-01-08 |
| 4957774 | Method of heat-fixing toner image | Shinji Doi, Satoshi Matsunaga, Hiroaki Kawakami, Takashige Kasuya, Yasuhide Goseki +1 more | 1990-09-18 |
| 4957840 | Developer and image forming device | Kiichiro Sakashita, Toshiaki Nakahara, Hirohide Tanikawa, Naoki Matsushige, Masatsugu Fujiwara +1 more | 1990-09-18 |
| 4952476 | Electrophotographic magnetic toner containing polyalkylene and vinyl polymer | Kiichiro Sakashita, Toshiaki Nakahara, Hirohide Tanikawa | 1990-08-28 |
| 4951545 | Electronic musical instrument | — | 1990-08-28 |
| 4928186 | Magnetic recording method and magnetic head | Takashi Matsumoto, Masamichi Sato, Yoshiaki Kato | 1990-05-22 |
| 4703383 | Coil conductor structure in thin-film magnetic head | Yoshiaki Katou, Joe Ueoka | 1987-10-27 |
| 4662985 | Method of smoothing out an irregular surface of an electronic device | Joe Ueoka, Yoshiaki Katou | 1987-05-05 |
| 4462906 | Filler for electromagnetic filters | Nobukatsu Inaba | 1984-07-31 |
| 4460463 | Electromagnetic filter | — | 1984-07-17 |
| 4442323 | Microphone with vibration cancellation | Hidejiro Higashi | 1984-04-10 |
| 4427845 | Dynamic microphone | — | 1984-01-24 |
| 4412229 | Line recording method | Minoru Wada | 1983-10-25 |
| 4388400 | Heat-mode recording material | Masatoshi Tabei, Minoru Wada, Yonosuke Takahashi | 1983-06-14 |
| 4377607 | Process for producing vacuum deposition films | Hideaki Takeuchi, Masamichi Shigyo, Toshio Iijima, Tomoaki Ikeda | 1983-03-22 |
| 4292388 | Image-forming material of aluminum-iron alloy | Tomoaki Ikeda, Masamiti Sigyoo, Sadaharu Ikeda, Takeshi Tomotsu | 1981-09-29 |
| 4292393 | Photosensitive image forming materials | Minoru Wada, Fumiaki Shinozaki, Yohnosuke Takahashi, Tomoaki Ikeda | 1981-09-29 |
| 4292395 | Photographic process of developing and etching an element containing a tin sulfide | Minoru Wada, Fumiaki Shinozaki, Yohnosuke Takahashi, Tomoaki Ikeda | 1981-09-29 |
| 4291119 | Recording material | Keishiro Kido, Tomoaki Ikeda | 1981-09-22 |
| 4268541 | Process for producing a material having a vapor-deposited metal layer, and process for producing a recording material | Tomoaki Ikeda, Hideaki Takeuchi, Fumiaki Shinozaki, Keishiro Kido | 1981-05-19 |
| 4246446 | Moving coil pick-up with coils printed on opposite sides of waver | Masaru Chijiiwa, Shinji Yasuda | 1981-01-20 |
| 4199357 | Compositions for recording materials | Yuzo Mizobuchi, Tomoaki Ikeda, Toshio Iijima | 1980-04-22 |
| 4197124 | Non-treatment type planographic printing plate materials | Tomoaki Ikeda, Yuzo Mizobuchi, Fumiaki Shinozaki, Akira Nahara, Yoshihiro Ono +2 more | 1980-04-08 |
| 4188214 | Recording material | Keishiro Kido, Tomoaki Ikeda | 1980-02-12 |