Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972990 | Process for recording into rewritable recording medium of non-contact type | Tetsuyuki Utagawa, Takehiko Nishikawa | 2011-07-05 |
| 7939464 | Structure with a built-in recording medium, a laminate comprising the structure and method for recording in non-contact manner using the structure and the laminate | Tetsuyuki Utagawa, Takeshi Segawa, Takehiko Nishikawa | 2011-05-10 |
| 7637435 | IC tag, reader/writer for the IC tag and system using the IC tag | Yuichi Iwakata, Takehiko Nishikawa | 2009-12-29 |
| 7463395 | Method for recording information into rewritable thermal label of the non-contact type | Tetsuyuki Utagawa, Hiroaki Iwabuchi, Takehiko Nishikawa, Naoji Noda, Kaoru Mizutani | 2008-12-09 |