Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539440 | Image forming apparatus having colorant holding regions and a colorant repelling region | Kazuhiko Higuchi, Hideyuki Nakao, Shuzo Hirahara, Tutomu Saito, Koichi Ishii | 1996-07-23 |
| 5404157 | Apparatus for generating ions in solid ion recording head with improved stability | Yasuo Hosaka, Hideyuki Nakao, Hitoshi Nagato, Shuzo Hirahara, Yoshikuni Matsumura +1 more | 1995-04-04 |
| 5402157 | Electrophotographic recording apparatus | Hitoshi Nagato, Shuzo Hirahara, Masafumi Mori | 1995-03-28 |
| 5359434 | Scanning optical apparatus | Hideyuki Nakao, Tutomu Saito, Shuzo Hirahara, Masafumi Mori | 1994-10-25 |
| 5349423 | Recording apparatus and heating apparatus for use in recording apparatus | Hitoshi Nagato | 1994-09-20 |
| 5323185 | Recording apparatus | Hitoshi Nagato, Shuzo Hirahara, Yasuo Hosaka, Masafumi Mori | 1994-06-21 |
| 5315356 | Fixing apparatus | Hitoshi Nagato | 1994-05-24 |
| 5270741 | Apparatus for generating ions in solid ion recording head with improved stability | Yasuo Hosaka, Hideyuki Nakao, Hitoshi Nagato, Shuzo Hirahara, Yoshikuni Matsumura +1 more | 1993-12-14 |
| 5253023 | Electrostatographic apparatus without cleaner | Yasuo Hosaka, Hitoshi Nagato, Toshikazu Matsui, Shuzo Hirahara | 1993-10-12 |
| 5200840 | Image processing apparatus | Hidekazu Sekizawa, Naofumi Yamamoto | 1993-04-06 |
| 5028991 | Image signal processing apparatus for use in color image reproduction | Hidekazu Sekizawa, Akito Iwamoto, Shuzo Hirahara, Naofumi Yamamoto, Tutomu Saito +1 more | 1991-07-02 |