Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014441 | Communication channel establishing method, communication system, and communication apparatus | Katsuhiko Sukegawa, Hitoshi Hiketa, Yohko Seike | 2011-09-06 |
| 7904075 | Communication method, communication system, and communication apparatus | Katsuhiko Sukegawa | 2011-03-08 |
| 7899000 | Communication method, communication system, and communication apparatus | Katsuhiko Sukegawa | 2011-03-01 |
| 7864027 | Electronic tag system, communication apparatus, and electronic tag | Katsuhiko Sukegawa | 2011-01-04 |