Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11738719 | Connecting structure of wiper arm | Hiroki Kashihara | 2023-08-29 |
| 10625714 | Wiper device | Masayuki Shimoyama, Atsuhiro Kuwabara, Yutaka Yamashita, Shin Fujiwara, Hideyuki Koizumi +4 more | 2020-04-21 |
| 10071710 | Wiper apparatus | Masafumi Takimoto, Shin-ichi Akimoto, Masaaki Kimura, Takeshi Kanai, Yukiyoshi Iso | 2018-09-11 |
| D781770 | Wiper arm for vehicle | Hideyuki Koizumi, Masayuki Shimoyama | 2017-03-21 |