Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085444 | Dust seal for sliding type bush | Takuya Murakami, Toshihiko Kakimoto, Shigeki Dake, Yuji Kyoi, Masanao Kameda +1 more | 1992-02-04 |
| 4337953 | Sealing device with seal lips forming V-shape | Hideo Ikeda, Masao Teraoka | 1982-07-06 |