Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422174 | Electromagnetic wave shielding building material | Masatake Nakamura | 1995-06-06 |
| D272153 | Facsimile transceiver | Koyo Nagasawa, Hiroshi Takemura, Tadashi Kikuchi | 1984-01-10 |