Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140601 | Laser-welded steel pipe and method therefor | Moriaki Ono, Tsuyoshi Shiozaki, Yutaka Nagahama, Akio Sato, Kenichi Iwazaki +1 more | 2000-10-31 |
| 5961748 | Laser-welded steel pipe | Moriaki Ono, Tsuyoshi Shiozaki, Yutaka Nagahama, Akio Sato, Kenichi Iwazaki +1 more | 1999-10-05 |
| 5478657 | Titanium discs useful for magnetic discs | Hiroyoshi Suenaga, Iwao Ida, Hitoshi Nagashima, Naoto Kohshiro, Noboru Kurata | 1995-12-26 |
| 5270020 | Apparatus for manufacturing silicon single crystals | Makoto Suzuki, Shuzo Fukuda, Yoshinobu Shima, Takeshi Suzuki, Yasuhide Ishiguro +1 more | 1993-12-14 |
| 5221459 | Method of manufacturing a magnetic disk substrate of titanium | Yoko Okano, Hiroyoshi Suenaga, Toshio Sakiyama, Kenji Morita, Iwao Ida +1 more | 1993-06-22 |
| 4957712 | Apparatus for manufacturing single silicon crystal | Yoshinobu Shima, Akira Ohtani, Kenji Araki | 1990-09-18 |
| 4858558 | Film forming apparatus | Hiroshi Sakama, Kenji Araki | 1989-08-22 |
| 4848272 | Apparatus for forming thin films | Hiroshi Sakama, Kenji Araki, Hiroshi Kamio, Yoshinobu Shima | 1989-07-18 |