Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12121858 | Manufacturing method for exhaust gas purification device | Suguru Matsui, Etsuko Ohara, Kazuma Nakada | 2024-10-22 |
| 11795855 | Exhaust gas purification catalyst | Isao Chinzei, Takahiro NISHIO, Shogo SHIRAKAWA, Masahide Miura, Hiromasa Suzuki +3 more | 2023-10-24 |