Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787795 | Logic apparatus and logic circuit | Ken Uchida, Ryuji Ohba | 2004-09-07 |
| 6690030 | Semiconductor device with negative differential resistance characteristics | Ken Uchida, Ryuji Ohba, Akira Toriumi | 2004-02-10 |
| 6680505 | Semiconductor storage element | Ryuji Ohba, Ken Uchida | 2004-01-20 |