Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695935 | Sealing device | Koichiro Oiyama, Yasuhisa Arita | 2017-07-04 |
| 8851480 | Lip type seal | Koichiro Oiyama, Hideyuki Murakami | 2014-10-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695935 | Sealing device | Koichiro Oiyama, Yasuhisa Arita | 2017-07-04 |
| 8851480 | Lip type seal | Koichiro Oiyama, Hideyuki Murakami | 2014-10-07 |