Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472739 | Process of producing a hot dipped wire from a base wire, with the absence of iron-based, iron oxide-based and iron hydroxide-based minute particles on surfaces of the base wire | Yoshitada Hanai, Kouichi Otani | 1995-12-05 |
| 5472740 | Process of producing a hot dipped wire from a base wire, with the absence of iron-based, iron oxide-based and iron hydroxide-based minute particles on surfaces of the base wire | Yoshitada Hanai, Kouichi Otani | 1995-12-05 |
| 5384597 | Image pickup tube utilizing third electrode and its operating method | Kenji Sameshima, Tatsuo Makishima, Tadaaki Hirai, Yukio Takasaki, Kenkichi Tanioka +1 more | 1995-01-24 |
| 5218264 | Image pick-up tube and apparatus having the same | Tadaaki Hirai, Hirofumi Ogawa, Kenji Sameshima, Yukio Takasaki, Takaaki Unnai +3 more | 1993-06-08 |
| 5070272 | Photoconductive device and method of operating same | Takeshi Kikawa, Kazutaka Tsuji, Kenji Sameshima, Tadaaki Hirai, Junichi Yamazaki +1 more | 1991-12-03 |
| 4830747 | Filter apparatus for removing plankton | Osamu Sugai, Tetsuo Goto, Kenji Shimada, Toshiaki Yamaguchi, Kikuo Koizumi | 1989-05-16 |
| 4456531 | Filter and a manufacturing method therefor | Kazuhiko Terao, Kenji Shimada | 1984-06-26 |
| 4324680 | Silver-silver chloride electrode and manufacturing method thereof | Yoshitada Hanai, Toshiaki Yamaguchi | 1982-04-13 |