Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9942832 | Wireless LAN system and wireless communication device | — | 2018-04-10 |
| 4912741 | Heating box for a microwave oven | Yuji Tanaka, Takeshi Nakagawa, Tetsuji Ono | 1990-03-27 |