Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045974 | Display tube assembly and mounting process thereof | Akio Ohkoshi, Hideaki Nakagawa, Hiroshi Kato | 1991-09-03 |
| 4857800 | Electron beam indicator tube with accelerating electrode | Akio Ohkoshi, Hideaki Nakagawa, Yasuyoshi Sugii, Haruaki Wada | 1989-08-15 |
| 4734623 | Fluorescent display apparatus | Akio Ohkoshi, Kunio Shikakura, Hideaki Nakagawa | 1988-03-29 |
| 4727284 | Light source display for a large picture screen | Akio Ohkoshi, Hideaki Nakagawa, Kunio Shikakura | 1988-02-23 |
| 4710765 | Luminescent display device | Akio Ohkoshi, Hideaki Nakagawa, Satoshi Shimada | 1987-12-01 |