Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022097 | Ink-jet printer to use ink containing pigment particles | Hitoshi Minemoto, Yoshihiro Hagiwara, Ryousuke Uematsu, Junichi Suetsugu | 2000-02-08 |
| 5997133 | Inkjet recording apparatus having a minimum number of ejection electrode driving circuits and method for driving same | Hitoshi Takemoto, Tadashi Mizoguchi, Junichi Suetsugu, Hitoshi Minemoto, Yoshihiro Hagiwara +1 more | 1999-12-07 |
| 5988795 | Electrostatic ink jet recording apparatus preventing precipitation of charged particulate material in ink liquid | Junichi Suetsugu, Yoshihiro Hagiwara, Hitoshi Minemoto, Ryosuke Uematsu | 1999-11-23 |
| 5991559 | Solute concentration control method and apparatus | Junichi Suetsugu, Toru Yakushiji | 1999-11-23 |
| 5975684 | Ink jet recording head having an ink stream path | Junichi Suetsugu, Ryosuke Uematsu, Hitoshi Minemoto, Yoshihiro Hagiwara | 1999-11-02 |
| 5963231 | Electrostatic ink jet recording head with grouped electrodes | Junichi Suetsugu, Ryosuke Uematsu, Hitoshi Minemoto, Yoshihiro Hagiwara | 1999-10-05 |
| 5940098 | Ink-jet printer using ink containing pigment particles | Hitoshi Minemoto, Yoshihiro Hagiwara, Ryousuke Uematsu, Junichi Suetsugu | 1999-08-17 |
| 5926194 | Electrostatic ink jet recording device | Yoshihiro Hagiwara, Hitoshi Minemoto, Ryosuke Uematsu, Junichi Suetsugu | 1999-07-20 |
| 5905510 | Toner content monitoring system for use in a recording head for ink-jet printer | Yoshihiro Hagiwara, Hitoshi Minemoto, Ryosuke Uematsu, Junichi Suetsugu | 1999-05-18 |
| 5880761 | Ink jet print head | Ryosuke Uematsu, Junichi Suetsugu, Minoru Yamada, Yoshihiro Hagihara, Junichi Fujisawa | 1999-03-09 |
| 5877790 | Electrostatic ink jet recording apparatus ejecting ink using different electric potentials applied to different electrodes | Yoshihiro Hagiwara, Ryosuke Uematsu, Junichi Suetsugu, Hitoshi Minemoto | 1999-03-02 |
| 5874972 | Electrostatic ink jet record head having a control electrode for equalizing the electric field of an ink chamber an ink jet recorder using same | Junichi Suetsugu, Hitoshi Minemoto, Yoshihiro Hagiwara, Ryosuke Uematsu | 1999-02-23 |
| 5801730 | Ink jet print head having a projecting ejection electrode | Junichi Suetsugu, Ryosuke Uematsu, Hitoshi Minemoto, Yoshihiro Hagiwara | 1998-09-01 |
| 5754200 | Ink jet type head assembly | Hitoshi Minemoto, Yoshihiro Hagiwara, Ryosuke Uematsu, Junichi Suetsugu | 1998-05-19 |
| 5742412 | Ink jet type head for pigment type ink with different pulses applied to electrodes | Hitoshi Minemoto, Yoshihiro Hagiwara, Ryousuke Uematsu, Junichi Suetsugu | 1998-04-21 |