Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422437 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai | 2016-08-23 |
| 9416284 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai | 2016-08-16 |
| 9365670 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2016-06-14 |
| 9359522 | Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter | Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai | 2016-06-07 |
| 9353274 | Ink, ink cartridge, inkjet recording device, and copolymer | Keita Katoh, Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2016-05-31 |
| 9321926 | Ink for inkjet recording, ink cartridge, and ink-recorded matter | Keita Katoh, Shigeyuki Harada, Masayuki Fukuoka, Mitsuru Naruse, Masayasu Nonogaki +2 more | 2016-04-26 |
| 9309427 | Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter | Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Kazukiyo Nagai, Keita Katoh | 2016-04-12 |
| 9234110 | Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink | Keita Katoh, Mitsuru Naruse, Akihiko Matsuyama, Masayasu Nonogaki, Minoru Hakiri +1 more | 2016-01-12 |
| 9217091 | Inkjet recording ink and ink cartridge using the ink, inkjet recording apparatus, inkjet recording method and ink recorded matter | Keita Katoh, Mitsuru Naruse, Akihiko Matsuyama, Masayasu Nonogaki, Minoru Hakiri +4 more | 2015-12-22 |
| 9217089 | Ink for inkjet recording | Kazukiyo Nagai, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama, Keita Katoh +2 more | 2015-12-22 |
| 9201319 | Image bearing member, manufacturing method of the same, image forming method, image forming apparatus, and process cartridge | Kazukiyo Nagai, Yuuji Tanaka, Tetsuro Suzuki | 2015-12-01 |
| 9139749 | Ink composition, recording method, printed matter, ink cartridge, and inkjet recording device | Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh +1 more | 2015-09-22 |
| 9028056 | Ink for inkjet recording, ink container, inkjet recorder and recorded matter | Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama, Keita Katoh, Kazukiyo Nagai | 2015-05-12 |
| 8974895 | Inkjet ink, ink storage container, inkjet recording device, and recorded matter | Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Akihiko Matsuyama, Kazukiyo Nagai | 2015-03-10 |
| 8960885 | Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink | Keita Katoh, Mitsuru Naruse, Akihiko Matsuyama, Masayasu Nonogaki, Minoru Hakiri +1 more | 2015-02-24 |
| 8771909 | Electrophotographic photoconductor, image forming apparatus, and process cartridge | Yuuji Tanaka, Kazukiyo Nagai, Tetsuro Suzuki | 2014-07-08 |
| 8679712 | Photoreceptor and image forming method, image forming apparatus, and process cartridge using the photoreceptor | Yuuji Tanaka, Kazukiyo Nagai, Tetsuro Suzuki | 2014-03-25 |