Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754103 | Transmission line-monitoring apparatus for use in a fire alarm system | Toshihiko Shino, Ryuji Oouchi | 1998-05-19 |
| 5168313 | Toner image transfer method and device for electrophotographic printing apparatus | Yasuo Hosaka, Tadayoshi Ohno | 1992-12-01 |
| 5157413 | Thermal inked ribbon printer mechanism | Hitoshi Nagato, Tadayoshi Ohno | 1992-10-20 |
| 5099259 | Halftone image printing device | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno | 1992-03-24 |
| 5005993 | Electrothermal printer with a resistive ink ribbon and differing resistance current return paths | Tadayoshi Ohno, Hitoshi Nagato | 1991-04-09 |
| 4949170 | Video information transmission service system and head end device therefor | Masatoshi Yanagidaira | 1990-08-14 |
| 4897668 | Apparatus for transferring ink from ink ribbon to a recording medium by applying heat to the medium, thereby recording data on the medium | Hitoshi Nagato, Tadayoshi Ohno, Akito Iwamoto | 1990-01-30 |
| 4890121 | Halftone image printing device | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno | 1989-12-26 |
| 4884080 | Color image printing apparatus | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno +1 more | 1989-11-28 |
| 4724446 | Thermal transfer printing apparatus | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno | 1988-02-09 |
| 4578703 | Subscription television system | — | 1986-03-25 |
| 4486883 | Address check system | Yoshio Kizaki | 1984-12-04 |