Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290001 | Video tape recorder | Yuichi Kosukegawa, Noboru Chiba | 1987-05-26 |
| D286405 | Video camera | Masakatu Iwasaki, Kazunori Hashimoto | 1986-10-28 |
| D284082 | Video camera | Shigeki Masatsugu, Yukinobu Ichikawa | 1986-06-03 |
| D281684 | Combined video tape recorder and video camera | Yukinobu Ichikawa, Yukio Kuroiwa, Shigeki Masatsugu, Fumio Toyoda | 1985-12-10 |