Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9172778 | Portable terminal device and state switching structure of portable terminal device | Ryusuke Tai | 2015-10-27 |
| 7555322 | Foldable type portable information terminal, condition notifying method used in the same and program therefor | Masaki Shimamura, Mika Fujii, Kazuo Ootuta, Kiyosi Kohayakawa, Masatomo Mizuta | 2009-06-30 |