Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372181 | Counter pressure casting and counter pressure casting device | Fukashi Watanabe, Shigeo Hama | 1994-12-13 |
| 4956729 | Video signal preamplifier circuit | Tomishige Yatsugi, Hiroshi Toeda, Tadashi Takamiya, Isao Fukushima | 1990-09-11 |
| 4291335 | Vertical synchronizing signal detector | Isao Nakagawa | 1981-09-22 |