Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764178 | Ink jet recording method and ink jet recording apparatus | Yukako Tamanuki, Shogo Takemoto, Yojiro Kojima, Satoshi Kudo, Yoshio Kinoshita +1 more | 2014-07-01 |
| 8668321 | Ink jet recording method and ink jet recording apparatus | Yojiro Kojima, Yukako Tamanuki, Shogo Takemoto, Satoshi Kudo, Yoshio Kinoshita | 2014-03-11 |
| 8328346 | Ink jet recording method and ink jet recording apparatus | Satoshi Kudo, Yojiro Kojima, Yoshio Kinoshita, Yukako Tamanuki, Shogo Takemoto | 2012-12-11 |
| 8070871 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Minako Kawabe, Hiroshi Tomioka, Hideki Yamakami, Satomi Yanagimachi | 2011-12-06 |
| 7699924 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Mikio Sanada, Kenji Moribe, Tomonari Watanabe, Daiji Okamura, Satoshi Kudo +1 more | 2010-04-20 |
| 7682433 | Ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Satomi Yanagimachi, Mikio Sanada, Kenji Moribe, Tomonari Watanabe, Daiji Okamura +3 more | 2010-03-23 |
| 7550037 | Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Tomohiro Yamashita, Jun Yoshizawa | 2009-06-23 |
| 7374606 | Water-based ink and ink recording method | Shinichi Sato, Takao Yamamoto, Sadayuki Sugama, Tsuyoshi Kanke, Yoshihide Aikawa | 2008-05-20 |
| 7247196 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Shin Sato, Jun Yoshizawa, Kunihiko Nakamura, Hideki Takayama, Daiji Okamura | 2007-07-24 |
| 7198664 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Hideki Takayama, Daiji Okamura | 2007-04-03 |
| 7198665 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Kunihiko Nakamura, Shin Sato, Jun Yoshizawa, Hideki Takayama, Daiji Okamura | 2007-04-03 |
| 7195664 | Ink set, ink jet recording apparatus, ink jet recording method, recording unit, and ink cartridge | Tsuyoshi Kanke | 2007-03-27 |
| 7144452 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Hideki Takayama, Daiji Okamura, Shin Sato, Jun Yoshizawa, Kunihiko Nakamura | 2006-12-05 |
| 6866380 | Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus | Yuko Yakushigawa, Yoshihisa Takizawa, Hisashi Teraoka, Tsuyoshi Kanke | 2005-03-15 |
| 6843839 | Ink, recording method, recording unit, ink cartridge, ink set, and recording apparatus | Tsuyoshi Kanke, Takao Yamamoto, Hisashi Teraoka, Yuko Yakushigawa | 2005-01-18 |
| 6706100 | Ink set, ink jet recording apparatus, ink jet recording method, recording unit, and ink cartridge | Tsuyoshi Kanke | 2004-03-16 |
| 6706104 | Ink set, ink jet recording method, recording unit, ink cartridge, ink jet recording apparatus, bleed-alleviating method, and method for improving fixability of black image | Hiroyuki Takuhara, Yoshihisa Takizawa, Hisashi Teraoka, Yoichi Takada, Noriyasu Asaki +2 more | 2004-03-16 |
| 6702882 | Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus | Yuko Yakushigawa, Yoshihisa Takizawa, Hisashi Teraoka, Tsuyoshi Kanke | 2004-03-09 |
| 6460988 | Ink set, recording method, recording unit, ink cartridge and recording apparatus | Tsuyoshi Kanke | 2002-10-08 |
| 6412936 | Ink, ink set, ink cartridge, recording unit, image recording process and image recording apparatus | Yutaka Kurabayashi, Koromo Shirota, Masashi Ogasawara | 2002-07-02 |
| 5936649 | Recording method, recording apparatus for conducting the recording method and ink jet cartridge for use in the recording apparatus | Masami Ikeda, Nobuyuki Kuwabara, Seiichiro Karita, Masahiro Haruta, Osamu Nishiwaki +3 more | 1999-08-10 |
| 5571313 | Ink-jet ink | Mayumi Yamamoto, Akira Nagashima, Mikio Sanada, Eriko Saito | 1996-11-05 |
| 5466282 | Azo dye compound, ink containing the same, and recording method and instrument using the ink | Tsuyoshi Eida, Osamu Nishiwaki, Takao Yamamoto | 1995-11-14 |
| 5451251 | Ink, and ink-jet recording method and instrument using the same | Tsuyoshi Eida, Keiichi Murai, Yoshifumi Hattori, Mayumi Yamamoto, Osamu Nishiwaki +9 more | 1995-09-19 |
| 5296022 | Ink-jet recording method and apparatus employing ink containing halogenated alkanol with 2 to 4 carbon atoms | Masatsune Kobayashi, Shoji Koike, Shinichi Tochihara, Kyoko Fukushima, Akira Nagashima +1 more | 1994-03-22 |