Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415662 | Radiation detector having a plurality of amorphous selenium layers | Koichi Ogusu, Osamu Nakane, Yasunori Igasaki, Yoshinori Okamura | 2013-04-09 |
| 7217929 | Radiation detector | Yasuhiro Tomita, Masanori Kinpara, Michiatsu Nakada, Yuji Shirayanagi, Shinjiro Matsui | 2007-05-15 |
| 5818064 | Method of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive rays | Akihiko Kohgami, Keiji Umetani | 1998-10-06 |
| 5583345 | Method of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive rays | Akihiko Kohgami, Keiji Umetani | 1996-12-10 |
| 5384597 | Image pickup tube utilizing third electrode and its operating method | Kenji Sameshima, Tatsuo Makishima, Yukio Takasaki, Misao Kubota, Kenkichi Tanioka +1 more | 1995-01-24 |
| 5233265 | Photoconductive imaging apparatus | Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Sachio Ishioka, Tatsuro Kawamura +17 more | 1993-08-03 |
| 5218264 | Image pick-up tube and apparatus having the same | Hirofumi Ogawa, Kenji Sameshima, Yukio Takasaki, Takaaki Unnai, Junichi Yamazaki +3 more | 1993-06-08 |
| 5196702 | Photo-sensor and method for operating the same | Kazutaka Tsuji, Yukio Takasaki, Haruo Itoh, Tetshuhiko Takahashi, Kenichi Okajima | 1993-03-23 |
| 5101255 | Amorphous photoelectric conversion device with avalanche | Sachio Ishioka, Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Yasuhiko Nonaka +6 more | 1992-03-31 |
| 5070272 | Photoconductive device and method of operating same | Takeshi Kikawa, Kazutaka Tsuji, Kenji Sameshima, Junichi Yamazaki, Misao Kubota +1 more | 1991-12-03 |
| 5023896 | X-ray television apparatus | Hisatake Yokouchi, Yukio Takasaki, Kouichi Koike, Masayuki Tsuneoka, Yoichi Onodera +1 more | 1991-06-11 |
| 5021705 | Method of fabricating an image pick-up tube and target section used therewith | Masanao Yamamoto, Takaaki Unnai, Shigeru Ehata, Kenji Sameshima, Eikiyu Hiruma +4 more | 1991-06-04 |
| 4982095 | Multi-element type radiation detector | Tetsuhiko Takahashi, Hirosh Takeuch, Toshikazu Shimada, Haruo Itoh, Kenji Maio +3 more | 1991-01-01 |
| 4980736 | Electric conversion device | Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Sachio Ishioka, Tatsuro Kawamura +7 more | 1990-12-25 |
| 4952839 | Photoconductive device and method of operating the same | Kenkichi Tanioka, Mitsuo Kosugi, Junichi Yamazaki, Keiichi Shidara, Kazuhisa Taketoshi +16 more | 1990-08-28 |
| 4900975 | Target of image pickup tube having an amorphous semiconductor laminate | Yasuharu Shimomoto, Sachio Ishioka, Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima +9 more | 1990-02-13 |
| 4888521 | Photoconductive device and method of operating the same | Kenkichi Tanioka, Keiichi Shidara, Tatsuro Kawamura, Junichi Yamazaki, Eikyuu Hiruma +16 more | 1989-12-19 |
| 4883562 | Method of making a photosensor | Hirofumi Ogawa, Kenji Sameshima, Takaaki Unnai, Masanao Yamamoto, Keiichi Shidara +3 more | 1989-11-28 |
| 4884011 | Light-detecting device | Tatsuo Makishima, Kazutaka Tsuji, Sachio Ishioka, Takashi Yamashita, Keiichi Shidara +2 more | 1989-11-28 |
| 4866332 | Target of image pickup tube | Yukio Takasaki, Tatsuo Makishima, Kazutaka Tsuji, Eisuke Inoue, Yasuhiko Nonaka +9 more | 1989-09-12 |
| 4860093 | Method and apparatus for driving a plurality of pick-up tubes having their cathodes supplied by a common negative potential | Takashi Yamashita, Keiichi Shidara, Masaaki Aiba, Yukio Takasaki | 1989-08-22 |
| 4829345 | Electronic device having light transmission system | Sachio Ishioka, Kazutaka Tsuji, Yukio Takasaki, Yasuharu Shimomoto, Hirokazu Matsubara | 1989-05-09 |
| 4636682 | Image pickup tube | Chushirou Kusano, Sachio Ishioka, Yoshinori Imamura, Yukio Takasaki, Hirofumi Ogawa +1 more | 1987-01-13 |
| 4626885 | Photosensor having impurity concentration gradient | Sachio Ishioka, Yoshinori Imamura, Tsuyoshi Uda, Yukio Takasaki, Chushirou Kusano +2 more | 1986-12-02 |
| 4617248 | Doped photoconductive film including selenium and tellurium | Kenkichi Tanioka, Keiichi Shidara, Takao Kuriyama, Yukio Takasaki, Yasuhiko Nonaka +1 more | 1986-10-14 |