Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488892 | Image encoder and camera system | Masahiro Hojo, Masahiro Ogawa | 2013-07-16 |
| 7991331 | Developing unit, visualized image formation unit and image forming apparatus | — | 2011-08-02 |
| 6655789 | Ink jet print head | Junichi Suetsugu, Kazuo Shima, Minoru Yamada, Yoshihiro Hagihara, Junichi Fujisawa | 2003-12-02 |
| 6390607 | Ink jet print head | Junichi Suetsugu, Kazuo Shima, Minoru Yamada, Yoshihiro Hagihara, Junichi Fujisawa | 2002-05-21 |
| 6362859 | Electrostatic ink jet recording head having electrophoretic electrode and gravity ink reservoir | Yoshihiro Hagiwara, Junichi Suetsugu, Hitoshi Minemoto, Kazuo Shima | 2002-03-26 |
| 6353721 | Color image formation apparatus using a liquid developer and color image formation method using a liquid developer | Chiseki Yamaguchi, Kazunori Shindo | 2002-03-05 |
| 6290338 | Ink jet print head | Junichi Suetsugu, Kazuo Shima, Minoru Yamada, Yoshihiro Hagihara, Junichi Fujisawa | 2001-09-18 |
| 6220695 | Ink-jet recording device for suppressing excess electrophoretic accumulation of charged particles | Hitoshi Minemoto, Yoshihiro Hagiwara, Junichi Suetsugu, Kazuo Shima | 2001-04-24 |
| 6220696 | Simple electrostatic ink jet printing head having low cost | Junichi Suetsugu, Kazuo Shima, Yoshihiro Hagiwara, Hitoshi Minemoto, Toru Yakushiji +2 more | 2001-04-24 |
| 6213591 | Injet recording apparatus | Junichi Suetsugu, Kazuo Shima, Tadashi Mizoguchi, Hitoshi Minemoto, Hitoshi Takemoto +2 more | 2001-04-10 |
| 6119342 | Method of producing a record head for an electrostatic ink jet recorder | Kazuo Shima, Junichi Suetsugu, Tadashi Mizoguchi, Hitoshi Minemoto, Hitoshi Takemoto +2 more | 2000-09-19 |
| 6113219 | Electrostatic ink jet recording apparatus capable of realizing stable ejection of ink | Tadashi Mizoguchi, Hitoshi Takemoto, Junichi Suetsugu, Hitoshi Minemoto, Kazuo Shima +2 more | 2000-09-05 |
| 6089699 | Method and apparatus for controlling inkjet ejection electrodes by varying the electrodes potentials | Hitoshi Minemoto, Yoshihiro Hagiwara, Junichi Suetsugu, Tadashi Mizoguchi, Hitoshi Takemoto +2 more | 2000-07-18 |
| 6074044 | Electrostatic ink jet recording head using control and recording electrodes for ejecting toner particles | Junichi Suetsugu, Kazuo Shima, Yoshihiro Hagiwara, Hitoshi Minemoto, Toru Yakushiji +2 more | 2000-06-13 |
| 6059399 | Ink-jet recording apparatus with improved ink density formation | Junichi Suetsugu, Kazuo Shima, Yoshihiro Hagiwara, Hitoshi Minemoto, Hitoshi Takemoto +2 more | 2000-05-09 |
| 5988795 | Electrostatic ink jet recording apparatus preventing precipitation of charged particulate material in ink liquid | Junichi Suetsugu, Yoshihiro Hagiwara, Hitoshi Minemoto, Kazuo Shima | 1999-11-23 |
| 5975684 | Ink jet recording head having an ink stream path | Junichi Suetsugu, Kazuo Shima, Hitoshi Minemoto, Yoshihiro Hagiwara | 1999-11-02 |
| 5963231 | Electrostatic ink jet recording head with grouped electrodes | Kazuo Shima, Junichi Suetsugu, Hitoshi Minemoto, Yoshihiro Hagiwara | 1999-10-05 |
| 5926194 | Electrostatic ink jet recording device | Yoshihiro Hagiwara, Hitoshi Minemoto, Junichi Suetsugu, Kazuo Shima | 1999-07-20 |
| 5905510 | Toner content monitoring system for use in a recording head for ink-jet printer | Yoshihiro Hagiwara, Hitoshi Minemoto, Junichi Suetsugu, Kazuo Shima | 1999-05-18 |
| 5880761 | Ink jet print head | Junichi Suetsugu, Kazuo Shima, 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, Junichi Suetsugu, Hitoshi Minemoto, Kazuo Shima | 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, Kazuo Shima | 1999-02-23 |
| 5801730 | Ink jet print head having a projecting ejection electrode | Kazuo Shima, Junichi Suetsugu, Hitoshi Minemoto, Yoshihiro Hagiwara | 1998-09-01 |
| 5754200 | Ink jet type head assembly | Hitoshi Minemoto, Yoshihiro Hagiwara, Junichi Suetsugu, Kazuo Shima | 1998-05-19 |