Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628963 | Box assembling and packing system and controller for said system | Ken-ichi Nishio, Yuta Horibata, Tadahiro Fujiwara | 2023-04-18 |
| 4997192 | Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same | Yataro Nagai, Mitsuyoshi Matsushita, Osamu Ishibashi, Kei Tokumoto | 1991-03-05 |
| 4925490 | Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same | Yataro Nagai, Mitsuyoshi Matsushita, Osamu Ishibashi, Kei Tokumoto | 1990-05-15 |