Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002895 | Process cartridge | Takashige Kasuya, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1999-12-14 |
| 5942366 | Image forming method employing toner containing higher and lower molecular weight polymer components | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki | 1999-08-24 |
| 5854365 | Toner for developing electrostatic image and method of manufacturing resin composition | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki, Masayoshi Kato | 1998-12-29 |
| 5802428 | Images forming apparatus and developer for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Eiichi Imai, Tsuyoshi Takiguchi +3 more | 1998-09-01 |
| 5744276 | Toner for developing electrostatic image containing higher and lower molecular weight polymer components | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki | 1998-04-28 |
| 5736288 | Toner for developing electrostatic images, process cartridge, and image forming method | Takashige Kasuya, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1998-04-07 |
| 5663026 | Magnetic toner, process cartridge and image forming method | Takashige Kasuya, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1997-09-02 |
| 5534981 | Image forming apparatus and developer for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Eiichi Imai, Tsuyoshi Takiguchi +3 more | 1996-07-09 |
| 5510223 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus | Tsutomu Kukimoto, Hiroshi Yusa, Koichi Tomiyama, Tsuyoshi Takiguchi, Eiichi Imai +2 more | 1996-04-23 |
| 5489498 | Toner for developing electrostatic image and method of manufacturing resin composition | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki, Masayoshi Kato | 1996-02-06 |
| 5470686 | Image forming apparatus | Hisayuki Ochi, Manabu Ohno, Tetsuhito Kuwashima | 1995-11-28 |
| 5424810 | Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus | Koichi Tomiyama, Masayoshi Kato, Hiroshi Yusa, Takakuni Kobori | 1995-06-13 |
| 5392103 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus | Tsutomu Kukimoto, Hiroshi Yusa, Koichi Tomiyama, Tsuyoshi Takiguchi, Eiichi Imai +2 more | 1995-02-21 |
| 5333059 | Electrostatic imaging apparatus and facsimile apparatus employing toner with low aldehyde content | Yoshihiko Hyosu, Seiichi Takagi, Manabu Ohno, Tetsuhito Kuwashima, Eiichi Imai +1 more | 1994-07-26 |
| 5307122 | Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Eiichi Imai, Tsuyoshi Takiguchi +3 more | 1994-04-26 |
| 5270770 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus | Tsutomu Kukimoto, Hiroshi Yusa, Koichi Tomiyama, Tsuyoshi Takuguchi, Eiichi Imai +2 more | 1993-12-14 |
| 5164780 | Image forming apparatus having developer carrying member with surface layer of defined load curve | Manabu Ohno, Yukari Ishibashi, Tetsuhito Kuwashima | 1992-11-17 |
| 5153377 | Image forming apparatus | Tetsuhito Kuwashima, Hisayuki Ochi, Manabu Ohno | 1992-10-06 |
| 5126224 | Electrostatic image developing toner and process for its production, and binder resin and process for its production | Yoshihiko Hyosu, Seiichi Takagi, Manabu Ohno, Tetsuhito Kuwashima, Eiichi Imai +1 more | 1992-06-30 |