Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8149121 | Wireless identification tag | Kikuo Kaga, Shigeo Ashizawa | 2012-04-03 |
| 7804406 | Quality control system of concrete and cement products using wireless IC tag | Kikuo Kaga, Shigeo Ashizawa | 2010-09-28 |
| 4194213 | Semiconductor image sensor having CCD shift register | Shunsuke Furukawa, Tadayoshi Mifune | 1980-03-18 |