Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234601 | Ink jet recording method and apparatus for forming an image on either plain paper or a specialty recording medium | Masahiro Yatake, Yoshiyuki Ozawa, Masayuki Momose | 2001-05-22 |
| 5948154 | Color ink set for ink-jet recording | Etsuko Yoshiike, Miharu Kanaya, Yoshiyuki Koike, Yasuhiro Ouki, Akio Owatari | 1999-09-07 |
| 5798776 | Color ink jet recording method | Yaeko Uchiyama, deceased, Masaaki Itano | 1998-08-25 |
| 5795970 | Mixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on print | Takashi Ono, Tatsuya Yagyu, Yoshihiro Sawatari, Masaki Sasaki, Miharu Kanaya +2 more | 1998-08-18 |
| 5769930 | Ink composition for ink jet recording and recording process using same | Tsuyoshi Sano | 1998-06-23 |
| 5753016 | Ink composition excellent in reproduction of black color and ink jet recording method using the same | Miharu Kanaya, Yasuhiro Ouki, Akio Owatari | 1998-05-19 |
| 5748208 | Color ink jet recording method | Yaeko Uchiyama, deceased, Masaaki Itano | 1998-05-05 |
| 5675023 | Chromone derivative, and aldose reductase inhibitor comprising said compound as active component | Yasushi Igarashi, Takuji Yamaguchi, Yoshimitsu Ogawa, Mika Tomita, Toshitsugu Sato +1 more | 1997-10-07 |
| 5647897 | Ink composition for ink jet recording | Yasuhiro Ouki, Miharu Kanaya, Kiyohiko Takemoto, Masaaki Itano | 1997-07-15 |
| 5627204 | Chromone derivative, and aldose reductase inhibitor comprising said compound as active component | Yasushi Igarashi, Takuji Yamaguchi, Yoshimitsu Ogawa, Mika Tomita, Toshitsugu Sato +1 more | 1997-05-06 |
| 5616174 | Ink composition and ink jet recording method using the same | Miharu Kanaya, Akio Owatari, Junko Takatsuna, Masahiro Yatake, Takashi Ono +2 more | 1997-04-01 |
| 5560771 | Color ink composition and color ink jet printing method | Kiyohiko Takemoto, Hiroyuki Onishi, Masaaki Itano, Yoshiyuki Koike, Etsuko Yoshiike +2 more | 1996-10-01 |
| 5503664 | Ink compositions for ink jet printing | Yukari Sano, Junko Shimizu, Kiyohiko Takemoto, Satoru Arata, Issei Kawabata | 1996-04-02 |
| 5455267 | Chromone derivative, and aldose reductase inhibitor comprising said compound as active component | Yasushi Igarashi, Takuji Yamaguchi, Yoshimitsu Ogawa, Mika Tomita, Toshitsugu Sato +1 more | 1995-10-03 |
| 5439517 | Black ink composition excellent in black | Miharu Yoshida | 1995-08-08 |
| 5324349 | Ink compositions for ink jet printing | Yukari Sano, Junko Shimizu, Kiyohiko Takemoto, Satoru Arata, Issei Kawabata | 1994-06-28 |