Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217898 | Keyboard and electronic equipment | Masayoshi Koganei, Yutaka Ogasawara, Yasushi Itoshiro, Kazuhito Sato, Kazuhiko Otake | 2012-07-10 |
| 8003560 | Heat-sensitive recording material and process for production thereof | Haruo Omura, Kenji Muto | 2011-08-23 |
| 5444036 | Thermosensitive recording material | Akiko Iwasaki, Kunitaka Toyofuku, Kyoko Uchida | 1995-08-22 |