Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318842 | Liquid jet printing head and liquid jet printing apparatus provided with said liquid jet printing head | Akihiko Shimomura, Shigeo Toganoh, Isao Imamura, Shoji Shiba | 2001-11-20 |
| 5758417 | Method of manufacturing an ink jet head having a coated surface | Keiichi Murai, Ryuichi Arai, Junichi Kobayashi, Akihiko Shimomura, Akio Kashiwazaki | 1998-06-02 |
| 5735729 | Abrasive composition with an electrolytic water and a polishing process with the use of said abrasive composition | Koji Takemasa | 1998-04-07 |
| 5542970 | Monoazo compound and recording liquid containing the same | Konoe Miura, Hiroshi Takimoto, Tokuya Ohta | 1996-08-06 |
| 5436650 | Ink jet recording head, process for producing the head and ink jet recording apparatus | Junichi Kobayashi, Ryuichi Arai, Akihiko Shimomura, Akio Kashiwazaki | 1995-07-25 |
| 5334999 | Device for preparing ink jet recording head with channels containing energy generating elements | Akio Kashiwazaki, Ryuichi Arai, Junichi Kobayashi, Akihiko Shimomura | 1994-08-02 |
| 5296022 | Ink-jet recording method and apparatus employing ink containing halogenated alkanol with 2 to 4 carbon atoms | Shoji Koike, Shinichi Tochihara, Kyoko Fukushima, Akira Nagashima, Koromo Shirota +1 more | 1994-03-22 |
| 5258066 | Ink containing halogenated alkanol with 2 to 4 carbon atoms, recording method and apparatus using the same | Shohji Koike, Shinichi Tochihara, Kyoko Fukushima, Akira Nagashima, Koromo Shirota +1 more | 1993-11-02 |
| 4867789 | Flocculant purification of ink | Tsuyoshi Eida, Makoto Shioya | 1989-09-19 |
| 4841037 | Amino sulfonaphtholtrisazo compounds and recording liquids containing the same | Tokuya Ohta, Yuko Suga, Konoe Miura, Hiroshi Takimoto, Tomio Yoneyama | 1989-06-20 |
| 4778525 | Recording liquid | Tsuyoshi Eida, Makoto Shioya | 1988-10-18 |
| 4765838 | Water-soluble dye composition and recording liquid containing the same | Tokuya Ohata, Yuko Suga, Konoe Miura, Hiroshi Takimoto, Tomio Yoneyama | 1988-08-23 |
| 4756757 | Recording liquid | Masahiro Haruta, Tokuya Ohta | 1988-07-12 |
| 4732613 | Recording liquid | Makoto Shioya, Tsuyoshi Eida | 1988-03-22 |
| 4724001 | Disazoic dye and recording liquid containing the same | Tokuya Ohta, Yuko Suga, Konoe Miura, Hiroshi Takimoto, Tomio Yoneyama | 1988-02-09 |
| 4683002 | Liquid composition and method for recording | Konoe Mirua, Hiroshi Takimoto, Toshio Kaneko, Tokuya Ohta, Tsuyoshi Eida | 1987-07-28 |
| 4661158 | Recording liquid | Tsuyoshi Eida, Shoji Koike, Keiko Nakousai | 1987-04-28 |
| 4655835 | Process for evaluating the solubility of a colorant | Masahiro Haruta, Tokuya Ohta | 1987-04-07 |
| 4655834 | Recording process | Masahiro Haruta, Tokuya Ohta | 1987-04-07 |
| 4632703 | Recording liquid | Shoji Koike, Tsuyoshi Eida, Yasumasa Yokoyama, Tomoko Komori | 1986-12-30 |
| 4627875 | Recording liquid | Tsuyoshi Eida, Shoji Koike, Keiko Nakousai | 1986-12-09 |
| 4626284 | Recording liquid | Tokuya Ohta, Konoe Miura, Hiroshi Takimoto | 1986-12-02 |
| 4599112 | Recording liquid | Yasumasa Yokoyama, Tomoko Komori, Tsuyoshi Eida, Shoji Koike | 1986-07-08 |
| 4557761 | Recording liquid | Tsuyoshi Eida, Shoji Koike, Yasumasa Yokoyama, Tomoko Komori | 1985-12-10 |
| 4517244 | Recording medium and ink jet recording paper | Masahiro Haruta, Tsuyoshi Eida, Tokuya Ohta | 1985-05-14 |