Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253023 | Electrostatographic apparatus without cleaner | Yasuo Hosaka, Yuzo Koike, Toshikazu Matsui, Shuzo Hirahara | 1993-10-12 |
| 5239317 | Apparatus for generating ions in solid ion recording head with improved stability | Yasuo Hosaka, Hideyuki Nakao, Shuzo Hirahara | 1993-08-24 |
| 5183347 | Apparatus for printing images on booklets | Kazuhiko Higuchi, Shuzo Hirahara, Tutomu Saito, Akito Iwamoto | 1993-02-02 |
| 5157413 | Thermal inked ribbon printer mechanism | Tadayoshi Ohno, Tsutomu Kanai | 1992-10-20 |
| 5138348 | Apparatus for generating ions using low signal voltage and apparatus for ion recording using low signal voltage | Yasuo Hosaka, Tadayoshi Ohno, Hideyuki Nakano | 1992-08-11 |
| 5099259 | Halftone image printing device | Shuzo Hirahara, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno, Tsutomu Kanai | 1992-03-24 |
| 5063394 | Thermal recording apparatus and print head | — | 1991-11-05 |
| 5009527 | Thermal transfer color printer with sheet retaining and guiding structure adjacent platen | Masasumi Yana, Kiyoshi Yamada, Shyoji Ueno, Kunihiro Shibuya | 1991-04-23 |
| 5005993 | Electrothermal printer with a resistive ink ribbon and differing resistance current return paths | Tadayoshi Ohno, Tsutomu Kanai | 1991-04-09 |
| 4897668 | Apparatus for transferring ink from ink ribbon to a recording medium by applying heat to the medium, thereby recording data on the medium | Tadayoshi Ohno, Tsutomu Kanai, Akito Iwamoto | 1990-01-30 |
| 4890121 | Halftone image printing device | Shuzo Hirahara, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno, Tsutomu Kanai | 1989-12-26 |
| 4884080 | Color image printing apparatus | Shuzo Hirahara, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno, Tsutomu Kanai +1 more | 1989-11-28 |
| 4819008 | Thermal head driver circuit | Shuzo Hirahara, Tadayoshi Ohno | 1989-04-04 |
| 4724446 | Thermal transfer printing apparatus | Shuzo Hirahara, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno, Tsutomu Kanai | 1988-02-09 |
| 4552470 | Thermal transfer color printer for printing on sheets of paper | Masasumi Yana, Kiyoshi Yamada, Shyoji Ueno, Kunihiro Shibuya | 1985-11-12 |
| 4514738 | Thermal recording system | Koji Izawa, Shuzo Hirahara | 1985-04-30 |