Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615479 | Method of manufacturing a spherical annular seal | Takashi Maeda, Takeshi Furukido, Satoru Udo, Masayoshi Izumi | 1997-04-01 |
| 5462291 | Spherical annular seal with outer sliding layer | Takashi Maeda, Takeshi Furukido, Satoru Udo, Masayoshi Izumi | 1995-10-31 |