Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D865134 | Seal | Hideaki NAGAHAMAYA, Kokichi Hamamoto, Masayuki Tanida | 2019-10-29 |
| 10428947 | Sealing device | — | 2019-10-01 |
| 10371260 | Oil seal | — | 2019-08-06 |
| 10208861 | Sealing device | Kokichi Hamamoto, Hideaki NAGAHAMAYA, Shiho Sato | 2019-02-19 |