Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811356 | Method of purifying metal | Kenji Wada, Toshiaki Fukuyama | 2010-10-12 |
| 6170738 | Aluminum brazing alloy for cold brazing and method for brazing low-melting aluminum material | Koji Ashida | 2001-01-09 |
| 6109510 | Brazing material for use in a low temperature brazing and method for low temperature brazing | Masakazu Furuta, Yuji Asano | 2000-08-29 |
| 5934546 | Process for brazing die-cast aluminum material | Koji Ashida, Yuji Asano | 1999-08-10 |
| 5862976 | Brazeable aluminum alloy cast material and method of brazing the same | Hideo Yamamoto, Shigeru Sato, Kohei Itoi, Shoichi Sato, Koji Ashida | 1999-01-26 |
| 5736096 | Apparatus for purifying metal | Jin Zhang, Takashi Tomita, Tohru Nunoi, Tomohiro Machida | 1998-04-07 |
| 5302342 | Aluminum alloy for heat exchangers | Tsuyoshi Kawabe, Nobuaki Yamamoto, Tadayoshi Hayashi, Makoto Tanio, Ichiro Iwai +1 more | 1994-04-12 |
| 5260142 | Corrosion-resistant clad material made of aluminum alloys | Tsuyoshi Kawabe, Tadayoshi Hayashi, Toshihiro Takeuchi, Ichiro Iwai, Ichizo Tsukuda | 1993-11-09 |
| 4991647 | Heat exchanger | Tsuyoshi Kawabe, Tadayoshi Hayashi, Ichiro Iwai, Ichizo Tsukuda, Makoto Tanio | 1991-02-12 |
| 4948102 | Method of preparing high-purity metal and rotary cooling member for use in apparatus therefor | Shigemi Tanimoto, Kazuo Toyoda | 1990-08-14 |
| 4854968 | Method of preparing high-purity metal and rotary cooling member for use in apparatus therefor | Shigemi Tanimoto, Kazuo Toyoda | 1989-08-08 |
| 4804168 | Apparatus for treating molten metal | Shigemi Tanimoto, Kazuo Toyoda | 1989-02-14 |
| 4772319 | Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom | Shigemi Tanimoto, Kazuo Toyoda | 1988-09-20 |
| 4747906 | Process and apparatus for purifying silicon | Hideo Shingu, Shigemi Tanimoto, Kazuo Toyoda | 1988-05-31 |
| 4611790 | Device for releasing and diffusing bubbles into liquid | Shigemi Tanimoto, Kazuo Toyoda | 1986-09-16 |
| 4556419 | Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom | Sigemi Tanimoto, Kazuo Toyoda | 1985-12-03 |
| 4469512 | Process for producing high-purity aluminum | Hideo Shingu, Kozo Arai, Masashi Sakaguchi, Toshio Nishide, Osamu Watanabe +2 more | 1984-09-04 |