Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364370 | Pipe joint | — | 2002-04-02 |
| 5738714 | Recording liquid | Takashi Hirasa, Hiroshi Takimoto, Makoto Ishizu | 1998-04-14 |
| 4327346 | Anisotropic polymeric magnet in the tubular form and process for producing the same | Takeo Tada, Yoshifumi Hirata | 1982-04-27 |
| 4308155 | Rubber or plastic magnet and magnetic powder for making the same | Takeo Tada, Masami Oguriyama | 1981-12-29 |