Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668057 | Apparatus for receiving tone signal, apparatus for transmitting tone signal, and apparatus for transmitting or receiving tone signal | Takeshi Yamashita, Yoshiko Hase | 2003-12-23 |
| 6648168 | Insulated container | Takafumi Fujii | 2003-11-18 |
| 6427880 | Plug structure for drinking container | Masato Hirose | 2002-08-06 |
| 5758205 | Lens barrel | Minoru Hara, Kazuhiro Satoh | 1998-05-26 |
| 5588197 | Method of manufacturing metallic vacuum double-walled container | Yasuhiko Satomi, Seiichi Itoh, Jun-ichi Yamaki, Takashi Kato | 1996-12-31 |
| 5583595 | Lens barrel | Minoru Hara, Kazuhiro Satoh | 1996-12-10 |
| 5573140 | Metallic vacuum double-walled container | Yasuhiko Satomi, Seiichi Itoh, Jun-ichi Yamaki, Takashi Kato | 1996-11-12 |
| 5345283 | Lens barrel | Kazuhiro Satoh, Minoru Hara | 1994-09-06 |
| 5058142 | Clock extracting circuit in digital-line signal receiver | — | 1991-10-15 |