Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212419 | Sputtering target for forming wiring film of flat panel display | Kazunari Maki, Kenichi Yaguchi, Yosuke Nakasato | 2015-12-15 |
| 7524356 | Method for manufacturing low-oxygen copper | Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kazumasa Hori, Kenji Wakiguchi +2 more | 2009-04-28 |
| 6944930 | Method for manufacturing low-oxygen copper | Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kazumasa Hori, Kenji Wakiguchi +2 more | 2005-09-20 |
| 6589473 | Apparatus for manufacturing low-oxygen copper | Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kazumasa Hori, Kenji Wakiguchi +2 more | 2003-07-08 |
| 5705125 | Wire for electric railways | Motoo Goto, Shizuo Kawakita, Yoshiharu Mae, Takuro Iwamura, Yutaka Koshiba +5 more | 1998-01-06 |
| 5391243 | Method for producing wire for electric railways | Motoo Goto, Shizuo Kawakita, Yoshiharu Mae, Takuro Iwamura, Yutaka Koshiba +5 more | 1995-02-21 |
| 5143355 | Apparatus for manufacturing oxygen-free copper | Takuro Iwamura, Tsugio Koya, Izumi Sukekawa, Hideru Hagiwara, Toshiaki Shigematsu +1 more | 1992-09-01 |
| 5062614 | Apparatus and method for manufacturing copper-base alloy | Izumi Sukekawa, Hiroshi Kohno, Yukio Sugawara, Keiji Nogami | 1991-11-05 |
| 5037471 | Method for manufacturing oxygen-free copper | Takuro Iwamura, Tsugio Koya, Izumi Sukekawa, Hideru Hagiwara, Toshiaki Shigematsu +1 more | 1991-08-06 |
| 4981514 | Method for manufacturing copper-base alloy | Izumi Sukekawa, Hiroshi Kohno, Yukio Sugawara, Keiji Nogami | 1991-01-01 |
| 4711433 | Copper converter | Motoo Goto, Hiroshi Kono, Yukio Miyamoto, Toshihiko Igarashi | 1987-12-08 |
| 4588564 | Process for recovering arsenic trioxide from exhaust gas of smelting | Hiroshi Kohno, Masao Kuwabara, Takashi Shimizu | 1986-05-13 |
| 4452154 | Process and apparatus for dry distillation of discarded rubber tires | Hiroshi Kono | 1984-06-05 |