Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10207441 | Molding die and die-exchanging method | Atsushi Kawamura, Masato Ichikawa, Tsuyoshi Arai | 2019-02-19 |
| 4400844 | Wiper device | Nobuo Hayakawa, Yasuo Ohashi, Kenji Ohta, Yasumasa Takagi | 1983-08-30 |