Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133878 | Toll collection system and soundness determination method | Kenta Nakao, Hiroyuki Nakayama | 2021-09-28 |
| 11004594 | Surge voltage reduction member | Hayato Iizuka, Hiroaki Imai, Naoki Fujimoto, Hiroshi Aihara | 2021-05-11 |
| 10958064 | Surge voltage reducing member with reduced size | Hayato Iizuka, Takeshi Innan, Hiroshi Aihara | 2021-03-23 |
| 10894880 | Rubber compositions and methods of producing rubber compositions | Yuta Arakawa, Hidekazu Kurimoto, Masahiro Yamada, Hiroki Sakamoto | 2021-01-19 |