Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921955 | Noise-proof semiconductor device having a Hall effect element | — | 2005-07-26 |
| 6841989 | Hall-effect current detector | Akira Hasegawa, Koji Ohtsuka, Takashi Kato | 2005-01-11 |