Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075902 | Area recognizing device for image signals | — | 2000-06-13 |
| 6058003 | Electrostatic charger and discharger | Masayuki Hirano, Tomomi Katoh, Masami Kadonaga | 2000-05-02 |
| 5993524 | Image recording method, image recording apparatus and image recording acceleration liquid | Kiyofumi Nagai, Masato Igarashi, Akiko Bannai, Hiroyuki Mochizuki, Takanori Tsuyuki +2 more | 1999-11-30 |
| 5982604 | Power supply apparatus for electronic control unit in automotive vehicle | Mitsuhiro Saitou, Kiyoshi Yamamoto | 1999-11-09 |
| 5972082 | Aqueous ink composition and ink-jet printing method using the same | Masayuki Koyano, Ikuko Yamada, Kiyofumi Nagai, Masato Igarashi, Akiko Konishi +2 more | 1999-10-26 |
| 5949921 | Image processing apparatus for reading an image by hand scanning | Kazuyuki Murata, Yasuhiro Kuwahara, Naoki Takahashi | 1999-09-07 |
| 5930411 | Image processing apparatus for adjusting scanning position | Kazuyuki Murata, Naoki Takahashi, Yasuhiro Kuwahara | 1999-07-27 |
| 5930007 | Area recognizing device for image signals | — | 1999-07-27 |
| 5917955 | Area recognizing device and gradation level converting device employing area recognizing device | — | 1999-06-29 |
| 5882390 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Takanori Tsuyuki +2 more | 1999-03-16 |
| 5879439 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki, Masayuki Koyano +2 more | 1999-03-09 |
| 5760922 | Area recognizing device and gradation level converting device employing area recognizing device | — | 1998-06-02 |
| 5750762 | Cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Megumi Kawahara, Ikuko Yamada, Masayuki Shoshi | 1998-05-12 |
| 5720021 | Image processing apparatus for storing image data to a page memory | Kazuyuki Murata, Yasuhiro Kuwahara, Naoki Takahashi | 1998-02-17 |
| 5700614 | cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Megumi Kawahara, Ikuko Yamada, Masayuki Shoshi | 1997-12-23 |
| 5570432 | Image controller | — | 1996-10-29 |
| 5502575 | Imaging apparatus having a counterfeiting prevention function | Tsutomu Kai, Kazuyuki Murata, Yasuhiro Kuwahara, Hitoshi Ono, Tsutomu Mikami +1 more | 1996-03-26 |
| 5492784 | Positively-chargeable single-layered type electrophotographic photoconductor | Masao Yoshikawa, Masayuki Shoshi, Tetsuro Suzuki, Masakatsu Shimoda, Kaoru Teramura +3 more | 1996-02-20 |
| 5486438 | Electrophotographic photoconductor | Masayuki Shoshi, Masakatsu Shimoda, Akiko Konishi, Megumi Kawahara, Tetsuro Suzuki +1 more | 1996-01-23 |
| 5454052 | Method and apparatus for converting halftone images | — | 1995-09-26 |
| 5402252 | Image reader and image reproducing system both having a line sensor | — | 1995-03-28 |
| 5387487 | Electrophotographic photoconductor | Masayuki Shoshi, Masakatsu Shimoda, Masahiro Taniucchi, Masao Yoshikawa, Tetsuro Suzuki | 1995-02-07 |
| 5350653 | Electrophotographic photoconductor | Masayuki Shoshi, Masakatsu Shimoda, Akiko Konishi, Megumi Kawahara, Tetsuro Suzuki +1 more | 1994-09-27 |
| 5340806 | Composition containing organogermanium compound and immunity adjusting agent comprising the composition | Kiichi Sawai, Masayasu Kurono, Juichi Awaya, Hideaki Ninomiya, Yoshiro Ishiwata +1 more | 1994-08-23 |
| 5336688 | Composition containing organogermanium compound and immunity adjusting agents comprising the compositions | Kiichi Sawai, Masayasu Kurono, Juichi Awaya, Hideako Ninomiya, Yoshiro Ishiwata +1 more | 1994-08-09 |