Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198597 | Thin-film magnetic head having improved magnetic pole structure | Kohichi Tateyama, Hiroaki Yoda, Atsuhito Sawabe, Naoyuki Inoue, Akio Hori +6 more | 2001-03-06 |
| 6108167 | Magnetic head | Kohichi Tateyama, Hiroaki Yoda, Tadahiko Kobayashi, Michiko Hara, Akio Hori +2 more | 2000-08-22 |
| 5920447 | Magnetic disk unit having laminated magnetic heads | Hiroaki Yoda, Tomomi Funayama, Kohichi Tateyama, Tadahiko Kobayashi, Shigeru Takekado +1 more | 1999-07-06 |
| 5894384 | Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit | Tomomi Funayama, Tadahiko Kobayashi, Kohichi Tateyama | 1999-04-13 |
| D365844 | Developer-supplying unit for an image forming apparatus | Toshinori Nishimura | 1996-01-02 |
| 5363177 | Method of stripping a sealing member from a toner cartridge | Kuniaki Nakano, Yasuyuki Hirai, Masahiro Higashitani, Yasuhiro Matsuo, Shingo Mori +2 more | 1994-11-08 |
| 5355196 | Micro computer controlled image forming apparatus | Shigeo Kurando, Yukio Hashimoto, Hidekazu Sakagami, Kenzo Ono | 1994-10-11 |
| 5294963 | Toner cartridge having opening for discharging toner sealed with sealing member and method of stripping sealing member | Kuniaki Nakano, Yasuyuki Hirai, Masahiro Higashitani, Yasuhiro Matsuo, Shingo Mori +2 more | 1994-03-15 |
| 5257076 | Toner feeding device capable of signalling need to replenish toner | Toshinori Nishimura, Hidekazu Sakagami | 1993-10-26 |
| 5201503 | Sheet sorter with common supply and discharge rollers | Toshikazu Matsui, Masanori Itakiyo, Kunihiko Ishikawa, Kenzo Ono | 1993-04-13 |
| 5177533 | Image forming apparatus | Yasuyuki Ishiguro, Hidehiro Tabuchi, Yasuhiro Matsuo, Hiroyuki Tsuji | 1993-01-05 |
| 5142335 | Electrostatic latent image-developing device and toner cartridge used therefor | Toshinori Nishimura, Yasuyuki Ishiguro, Shingo Mori, Yasuyuki Hirai | 1992-08-25 |
| 5136341 | Image forming apparatus having means for coordinating the input and discharge of copy paper | Yoshinobu Takemura, Kazuhiro Morimoto, Yasuyuki Hirai, Masahiro Higashitani, Mitsuru Adachi +7 more | 1992-08-04 |
| 4939542 | Image forming apparatus with potential control | Shigeo Kurando, Masami Yamada, Hidehiro Tabuchi, Yukio Hashimoto, Yoshinobu Takemura | 1990-07-03 |
| 4582418 | Variable magnification electrostatic copying apparatus | Nobuhiko Kozuka, Atsushi Kano, Shigeo Koyama | 1986-04-15 |
| 4576464 | Charge eliminating lamp device | Nobuhiko Kozuka, Hiroshi Hiraoka | 1986-03-18 |
| 4548394 | Copying paper conveying device in electrostatic copying apparatus | Shigeo Koyama | 1985-10-22 |
| 4511241 | Copying apparatus | Hideaki Tsudaka, Takaji Washio, Nobuhiko Kozuka, Masahide Iseki, Toshio Watanabe +2 more | 1985-04-16 |
| 4484734 | Copy paper feeding device for a copying apparatus | Hideaki Tsudaka, Takaji Washio, Nobuhiko Kozuka, Masahide Iseki, Toshio Watanabe +2 more | 1984-11-27 |
| 4477173 | Toner replenishing device for an electrostatic copying apparatus | Nobuhiko Kozuka, Shigeo Koyama, Masami Kai, Ichiro Takahashi, Atsushi Kano | 1984-10-16 |
| 4444494 | Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor | Shigeo Koyama, Ryutaro Yamagata, Nobuhiko Kozuka | 1984-04-24 |
| 4400077 | Photosensitive drum for electrostatic copying apparatus | Nobuhiko Kozuka, Ryutaro Yamagata, Shigeo Koyama, Atsushi Kano | 1983-08-23 |
| 4387889 | Copying apparatus provided with a cassette-type paper feeding mechanism | Shigeo Koyama, Ryutaro Yamagata, Nobuhiko Kozuka | 1983-06-14 |