Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7034149 | Cyan dye mixture, water-based cyan ink composition, and method of ink-jet recording | Kitayama Hirokazu, Shinichi Namba, Takafumi Fujii, Junji Otani, Yasuo Shirasaki | 2006-04-25 |
| 7001870 | Method for joining oxide superconductors and joined oxide superconductor | Kazumasa Iida, Naomichi Sakai, Masato Murakami | 2006-02-21 |
| 6648952 | Anthrapyridone compound, aqueous magenta ink compositions and ink-jet recording method | Hiroyuki Matsumoto, Yasuo Murakami, Yasuo Shirasaki, Katsunori Fujii | 2003-11-18 |
| 6143062 | Water-soluble disazo compounds, aqueous ink compositions, and colored articles | Takashi Miyazawa, Toru Tabei, Isao Yamaguchi, Yasuo Shirasaki | 2000-11-07 |
| 5859242 | Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form | Masaaki Ikeda, Masao Onishi | 1999-01-12 |
| 5734050 | Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form | Masaaki Ikeda, Masao Onishi | 1998-03-31 |
| 5389486 | Electrophotographic toner | Tadayuki Kiyoyanagi, Shigeo Yamamura, Masaharu Nomura | 1995-02-14 |