Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12160087 | Spark plug | — | 2024-12-03 |
| 12160088 | Spark plug | — | 2024-12-03 |
| 12088067 | Spark plug | Susumu Imai | 2024-09-10 |
| 12080997 | Spark plug | Susumu Imai | 2024-09-03 |
| 12027827 | Spark plug | — | 2024-07-02 |
| 11929594 | Spark plug | Ritsuka NAKAGAWA | 2024-03-12 |
| 11715933 | Spark plug | Kenji Ban | 2023-08-01 |
| 11695258 | Spark plug | Ritsuka NAKAGAWA | 2023-07-04 |
| 11515690 | Spark plug | Kenji Ban | 2022-11-29 |
| 11431155 | Spark plug | Kenji Ban | 2022-08-30 |
| 11424600 | Spark plug | Shunsuke Maeda, Daiki Goto | 2022-08-23 |
| 11005236 | Spark plug | — | 2021-05-11 |
| 10944244 | Spark plug | Kenji Ban | 2021-03-09 |
| 10910796 | Spark plug | — | 2021-02-02 |
| 10868408 | Spark plug | Kenji Ban | 2020-12-15 |
| 10847951 | Spark plug with a plug cover for improving fuel economy | Daiki Goto | 2020-11-24 |
| 10833486 | Spark plug | Kenji Ban, Daiki Goto | 2020-11-10 |
| 10811851 | Spark plug | Kenji Ban | 2020-10-20 |
| 10777976 | Spark plug | Kenji Ban, Daiki Goto | 2020-09-15 |
| 10770868 | Spark plug that suppresses pre-ignition and misfires | — | 2020-09-08 |
| 10742002 | Spark plug | Daiki Goto | 2020-08-11 |
| 10714904 | Spark plug | — | 2020-07-14 |
| 10714908 | Spark plug | Kenji Ban | 2020-07-14 |
| 10666023 | Spark plug | — | 2020-05-26 |
| 10312669 | Spark plug | Daisuke Sumoyama, Tsutomu Shibata | 2019-06-04 |