Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043420 | Liquid tank | Tatsuro Nohara, Katsumi Yokoo, Shotaro Ishii, Noboru Kanayama | 2011-10-25 |
| 7380626 | Service vehicle | Kouji Chikaishi, Shotaro Ishii, Noboru Kanayama, Kazuhiro Yoshida | 2008-06-03 |
| 7168191 | Service vehicle with a walk-through to the outside | Kouji Chikaishi, Shotaro Ishii, Noboru Kanayama, Kazuhiro Yoshida | 2007-01-30 |
| 7105044 | Fluid tank | Shotaro Ishii, Kouji Chikaishi, Noboru Kanayama, Tatsuro Nohara | 2006-09-12 |
| 7055944 | Recording ink and manufacturing method thereof, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method | — | 2006-06-06 |
| 6261349 | Image recording method image recording apparatus and image recording acceleration liquid | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Hiroyuki Mochizuki, Masayuki Koyano +2 more | 2001-07-17 |
| 6231652 | Aqueous ink compositions and ink-jet printing method using the same | Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi +2 more | 2001-05-15 |
| 5972082 | Aqueous ink composition and ink-jet printing method using the same | Masayuki Koyano, Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi +2 more | 1999-10-26 |
| 5882390 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Hiroyuki Mochizuki, Takanori Tsuyuki +2 more | 1999-03-16 |
| 5879439 | Recording ink composition and recording method using the same | Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Hiroyuki Mochizuki, Masayuki Koyano +2 more | 1999-03-09 |
| 5810915 | Aqueous ink composition and image formation method using the same | Kiyofumi Nagai, Masayuki Koyano | 1998-09-22 |
| 5638842 | Device for removing a film-like image forming substance from a recording medium | Toshiaki Tokita, Yasuo Miyoshi, Kakuji Murakami, Kiyoshi Tanikawa | 1997-06-17 |
| 5622550 | Yellow ink composition for ink-jet printing and image recording method using the same | Kiyofumi Nagai, Masayuki Koyano | 1997-04-22 |
| 5619765 | Device for removing a film-like image forming substance | Toshiaki Tokita, Yasuo Miyoshi, Kakuji Murakami, Toshiaki Takahashi | 1997-04-15 |
| 5514208 | Aqueous ink and method for recording image with the aqueous ink | Kiyofumi Nagai, Tetsuya Kaneko | 1996-05-07 |
| 5486438 | Electrophotographic photoconductor | Masayuki Shoshi, Masakatsu Shimoda, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1996-01-23 |
| 5350653 | Electrophotographic photoconductor | Masayuki Shoshi, Masakatsu Shimoda, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1994-09-27 |