Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234363 | Aqueous ink, ink cartridge and ink jet recording method | Tsuyoshi Furuse, Masahito Miyabe | 2025-02-25 |
| 11584864 | Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous ink | Toshiyuki Umesato, Tsuyoshi Kasai, Naofumi Shimomura | 2023-02-21 |
| 11549027 | Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous ink | Toshiyuki Umesato, Naofumi Shimomura, Tsuyoshi Kasai | 2023-01-10 |
| 10550086 | Lenvatinib derivative, and composition for pharmaceutical research and tumor therapeutic agent using the same | Satoru Sugiyama | 2020-02-04 |
| 10131806 | Aqueous ink, ink cartridge, and ink jet recording method | Kousuke Yamasaki, Masaru Ebine, Tsuyoshi Kasai, Naotoshi Miyamachi, Otome Yamashita +6 more | 2018-11-20 |
| 9365733 | Ink jet ink and ink jet recording method | Ikuo Nakazawa, Ryota Takeuchi, Hideyuki Saito, Shigemoto Abe, Taro Endo +2 more | 2016-06-14 |
| 9260611 | Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording method | Junichi Sakai, Kenji Nishiguchi | 2016-02-16 |
| 8889763 | Ink jet ink, ink jet recording method, and ink cartridge | Kenji Nishiguchi | 2014-11-18 |
| 8439495 | Ink jet liquid composition, set, liquid cartridge, and ink jet recording method | Kenji Nishiguchi, Sachie Furukawa | 2013-05-14 |
| 8425027 | Clear ink, ink jet recording method, ink set, ink cartridge, recording unit and ink jet recording apparatus | Yuko Nishiwaki, Yoshio Nakajima, Yuhei Shimizu, Tetsu Iwata, Kenji Nishiguchi | 2013-04-23 |
| 7977409 | Ink jet ink, ink jet recording method, and ink cartridge | Kenji Nishiguchi | 2011-07-12 |
| 7541787 | Transistor drive circuit, constant voltage circuit, and method thereof using a plurality of error amplifying circuits to effectively drive a power transistor | Kohji Yoshii | 2009-06-02 |
| 4656303 | Novel resolution method of racemic mixture | Masayasu Kurono, Takafumi Iida, Kunio Yagi | 1987-04-07 |