Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135577 | Exhaust-gas-purifying metal substrate and exhaust gas purification device using same | Akio Kubota, Naoki Yokoyama, Junichi Hori | 2021-10-05 |
| 10971914 | Circuit assembly | Ryoya Okamoto, Hiroshi Shimizu | 2021-04-06 |