Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117520 | Display control device, display control system, display control method, and program | Yoshiyuki Shimizu, Ichiro Ishida, Takuji Teruuchi, Noboru Katsumata | 2021-09-14 |
| 10985535 | Method for manufacturing spark plug with peripheral edge of proximal end surface of sealing distal-end layer prevented from significantly rising toward proximal end | Hiroshi Araki, Hikaru Takashima | 2021-04-20 |
| 10951011 | Spark plug for internal combustion engines | Daisuke Tanaka, Fumiaki Aoki, Daisuke Shimamoto | 2021-03-16 |
| 10930156 | Display control apparatus, display apparatus, display control method, and program | Takuji Teruuchi | 2021-02-23 |