Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8752948 | Inkjet recording ink containing fluorine based surfactant, inkjet recording ink set, and inkjet recording apparatus containing the inkjet recording ink | Takashi Tamai, Akihiko Matsuyama, Akihiko Gotoh, Kiyofumi Nagai | 2014-06-17 |
| 8727523 | Inkjet recording ink, ink cartridge and inkjet recording method | Takashi Tamai, Akihiko Matsuyama | 2014-05-20 |
| 8708473 | Inkjet recording treatment liquid, inkjet cartridge, inkjet recording ink set, and inkjet recording method | Hidetoshi Fujii, Takashi Tamai, Akihiko Gotoh | 2014-04-29 |
| 8586647 | Recording ink, recording ink set, records, ink cartridge, recording method, and inkjet recording apparatus | Mariko Kojima, Akihiko Gotoh, Kiyofumi Nagai, Naoya Morohoshi, Tohru Ohshima | 2013-11-19 |
| 8580159 | Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus | Akihiko Matsuyama, Naoya Morohoshi, Tohru Ohshima, Masayuki Koyano, Akihiko Gotoh +1 more | 2013-11-12 |
| 8556405 | Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same | Hisashi Habashi, Mariko Kojima, Akihiko Gotoh, Tamotsu Aruga, Kiyofumi Nagai | 2013-10-15 |
| 8444755 | Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus | Naoya Morohoshi, Tohru Ohshima, Akihiko Gotoh, Kiyofumi Nagai | 2013-05-21 |
| 8353582 | Ultraviolet curable inkjet recording ink and color image forming apparatus | Hisashi Habashi, Kiyofumi Nagal | 2013-01-15 |
| 8303099 | Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method | Mariko Kojima, Tomohiro Inoue, Akihiko Gotoh, Hisashi Habashi, Akiko Bannai +1 more | 2012-11-06 |
| 8304043 | Inkjet recording ink and recording media set, inkjet recording method, recorded matter and recording apparatus | Hidefumi Nagashima, Kiyofumi Nagai, Mariko Kojima | 2012-11-06 |
| 8252207 | Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus | Akihiko Matsuyama, Naoya Morohoshi, Tohru Ohshima, Masayuki Koyano, Akihiko Gotoh +1 more | 2012-08-28 |
| 8240836 | Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method | Naoya Morohoshi | 2012-08-14 |
| 8173227 | Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method | Naoya Morohoshi, Tamotsu Aruga, Akihiko Gotoh, Kiyofumi Nagai | 2012-05-08 |
| 8096651 | Ink-jet recording method, ink, ink cartridge, recording apparatus, and recorded matter | Tohru Ohshima, Kiyofumi Nagai, Naoya Morohoshi | 2012-01-17 |
| 8044114 | Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same | Hisashi Habashi, Mariko Kojima, Akihiko Gotoh, Tamotsu Aruga, Kiyofumi Nagai | 2011-10-25 |
| 7892340 | Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus | Naoya Morohoshi, Tohru Ohshima, Akihiko Gotoh, Kiyofumi Nagai | 2011-02-22 |
| 7810919 | Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method | Mariko Kojima, Tomohiro Inoue, Akihiko Gotoh, Hisashi Habashi, Akiko Bannai +1 more | 2010-10-12 |
| 7699457 | Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method | Hisashi Habashi, Akihiko Gotoh, Kiyofumi Nagai, Tomohiro Inoue | 2010-04-20 |
| 7682011 | Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process | Hisashi Habashi, Mariko Kojima, Tomohiro Inoue, Akiko Bannai, Akihiko Gotoh +1 more | 2010-03-23 |
| 7284851 | Inkjet recording ink, recording process and recording apparatus | Akiko Bannai, Kiyofumi Nagai, Akihiko Gotoh, Mariko Kojima, Tomohiro Inoue | 2007-10-23 |
| 7122284 | Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom | Shinichi Kawamura, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka | 2006-10-17 |
| 7094813 | Ink-jet recording ink, ink-jet recording ink set, ink cartridge, ink-jet printer, and ink-jet printing method | Toshiroh Tokuno, Akihiko Gotoh, Kiyofumi Nagai | 2006-08-22 |
| 7056633 | Electrophotographic photoconductor, image forming method and apparatus, and process cartidge using the photocondutor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom | Shinichi Kawamura, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka | 2006-06-06 |
| 6974654 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE PHOTOCONDUCTOR, AND LONG-CHAIN ALKYL GROUP CONTAINING BISPHENOL COMPOUND AND POLYMER MADE THEREFROM | Shinichi Kawamura, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka | 2005-12-13 |
| 6596449 | Electrophotographic photoreceptor, and process cartridge and electrophotographic image forming apparatus using the electrophotographic photoreceptor | Tomoyuki Shimada, Kazukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura | 2003-07-22 |