Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468648 | Switchable permanent magnetic chuck | — | 1984-08-28 |
| 4408752 | Magnetic chuck | Kiyoshi Yanagisawa, Mutsukazu Tagami, Taketo Shimizu, Kunio Horiuchi, Hiroo Sakaguchi | 1983-10-11 |
| 4401960 | Magnet assembly | Mutsukazu Tagami, Taketo Shimizu, Kiyoshi Yanagisawa, Katsuto Yokosawa, Kunio Horiuchi +1 more | 1983-08-30 |
| 4329673 | Switchable permanent magnet holding device | Kiyoshi Yanagisawa, Mutsukazu Tagami, Taketo Shimizu, Kunio Horiuchi, Hiroo Sakaguchi | 1982-05-11 |
| 4251791 | Magnetic base | Kiyoshi Yanagisawa, Mutsukazu Tagami, Taketo Shimizu, Kunio Horiuchi, Hiroo Sakaguchi | 1981-02-17 |