Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987330 | Cordless telephone set | Katsuhiko Otsuji, Hiroyuki Ishida, Hideo Hikiuma, Yuzo Ishida, Takahiro Kudo +1 more | 1999-11-16 |
| 5915227 | Cordless telephone | Hideo Hikuma, Katsuhiko Otsuji, Hiroyuki Ishida, Masayasu Fujino, Yuzo Ishida | 1999-06-22 |
| 5794152 | Cordless telephone | Hideo Hikuma, Katsuhiko Otsuji, Hiroyuki Ishida, Masayasu Fujino, Yuzo Ishida | 1998-08-11 |