Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831533 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Keiji Ikeda, Masato Morimuta | 2004-12-14 |
| 6756868 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Keiji Ikeda, Masato Morimuta | 2004-06-29 |
| 6731190 | Electromagnetic relay | Takeshi Yamashita | 2004-05-04 |
| 6677840 | Electromagnetic relay | Akihiko Nakamura, Yoshio Okamoto, Tomohisa Endoh | 2004-01-13 |