Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9606549 | Poppet valve | Yoshinari Nakamura, Kiyokazu Nagata, Chongho Youn | 2017-03-28 |
| 8195336 | Pressure regulator | Kenji Kawashima, Tomonori Kato | 2012-06-05 |
| 7437910 | Pressure differentiator fitted with a temperature equalizing material | Kenji Kawashima | 2008-10-21 |