Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373513 | Printer having print data correction circuit | Jiro Tanuma, Katsuyuki Ito, Akira Nagumo | 2002-04-16 |
| 6285384 | Printer having circuit for providing improved printing quality | Jiro Tanuma, Katsuyuki Ito, Nobuo Wakasugi, Kazuhiko Nagaoka, Toshikazu Ito | 2001-09-04 |
| 6169566 | Non-impact printer | — | 2001-01-02 |
| 6108017 | Printer | Masato Nagata, Takao Uchida | 2000-08-22 |
| 6049349 | Printer having print data correction circuit | Jiro Tanuma, Katsuyuki Ito, Akira Nagumo | 2000-04-11 |
| 5973709 | Printer and process for printing different size dots by setting drive energies based on adjacent data bit logic | Jiro Tanuma, Norio Nakajima | 1999-10-26 |
| 5892532 | Non-impact printer and a print head thereof | Koji Ida, Akira Nagumo, Katsuyuki Ito, Koichi Negishi | 1999-04-06 |
| 5878301 | Toner image fixing device with rotational control of fixing rollers | Noboru Otaki, Yoshiharu Momiyama, Hisao Ono, Makoto Yabuki | 1999-03-02 |
| 5864253 | High-speed signal transmission circuit with reduced electromagnetic interference | Akira Nagumo | 1999-01-26 |
| 5818488 | Printer having circuit for providing improved printing quality | Jiro Tanuma, Katsuyuki Ito, Nobuo Wakasugi, Kazuhiko Nagaoka, Toshikazu Ito | 1998-10-06 |
| 5751328 | Printer having circuit for providing improved printing quality | Jiro Tanuma, Katsuyuki Ito, Nobuo Wakasugi, Kazuhiko Nagaoka, Toshikazu Ito | 1998-05-12 |
| 5724089 | Printer for printing bit-mapped image responsive to bit-mapped image signal | Akira Nagumo, Norio Nakajima | 1998-03-03 |
| 5648810 | Printer which prints with a resolution exceeding led head resolution | Jiro Tanuma, Katsuyuki Ito, Nobuo Wakasugi, Kazuhiko Nagaoka, Toshikaru Ito | 1997-07-15 |
| 5539525 | Image printing method and non-impact printer wherein a received video signal has a higher resolution than the printer printing head | Jiro Tanuma, Katsuyuki Ito | 1996-07-23 |
| 5478156 | Printer having print data arithmetic logic | Hiroshi Kikuchi, Katsuyuki Ito, Jiro Tanuma, Hiroshi Okada, Kazuhiko Nagaoka +1 more | 1995-12-26 |
| 5455664 | Electrophotographic printer for transferring images on different sized print medium and transferring method of the same | Katsuyuki Ito, Koichi Matsuzaki, Toru Ishihara | 1995-10-03 |
| 5424934 | Multivoltage power supply and control method thereof | Jiro Tanuma, Katsuyuki Ito, Takehiko Okubo | 1995-06-13 |
| 5361088 | Electrophotographic printer and method for controlling the same | Katsuyuki Ito, Takehiko Okubo | 1994-11-01 |
| 5239345 | Image forming apparatus having function of dust removal | Hiroshi Kikuchi, Yoshiharu Momiyama, Yoshitomo Koga, Masato Sakai, Katsuyuki Ito | 1993-08-24 |
| 5149216 | Printer carriage assembly having thermal dissipating means | Jiro Tanuma | 1992-09-22 |
| 5114252 | Printer with protection from discharge line disconnection | Jiro Tanuma | 1992-05-19 |
| 5059046 | Printer carriage assembly having thermal dissipating means | Jiro Tanuma | 1991-10-22 |
| 5002414 | Method of automatically inserting printing paper in an automatic paper feeder | Hiroshi Kikuchi, Jiro Tanuma, Tadao Shimizu, Akira Nagumo | 1991-03-26 |
| 4849869 | Switching regulator having a pulse width control system | Jiro Tanuma | 1989-07-18 |
| 4818129 | Method for correcting bidirectional printing alignment of a serial dot printer | Jiro Tanuma, Kuniharu Hayashi, Hiroshi Sakaino | 1989-04-04 |