Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039991 | Cogeneration system with first and second power plants | Tsutomu Wakitani, Yoshinori Nakagawa | 2011-10-18 |
| 7973980 | Document discarding system, document discarding device, document managing device, computer readable medium, and document discarding method | Kenichiro Fukuda | 2011-07-05 |