Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016490 | Thin-wall bearing | Toshiaki Yamaguchi, Tsuyoshi Saitou, Hiroyuki Itou, Yasushi Tomizuka, Toyohisa Yamamoto | 2011-09-13 |
| 6474652 | Shaft seal device | Kazuaki Konishi, Toshikazu Yabe | 2002-11-05 |
| 5332460 | Method of manufacturing a seal ring for magnetic fluid seal device | — | 1994-07-26 |
| 5051853 | Magnetic disc device | — | 1991-09-24 |
| 4973064 | Magnetic fluid seal device | — | 1990-11-27 |
| 4841408 | Electroconductive sliding apparatus | Shigeki Matsunaga, Yuichi Ishikawa | 1989-06-20 |