Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11362388 | Battery pack and electric device | Hideo Uryu | 2022-06-14 |
| 7267919 | Toner | Syuhei Moribe, Takashige Kasuya, Yoshihiro Ogawa | 2007-09-11 |
| 7097951 | Toner | Syuhei Moribe, Takashige Kasuya, Yoshihiro Ogawa | 2006-08-29 |
| 7001703 | Toner | Syuhei Moribe, Takashige Kasuya, Yoshihiro Ogawa | 2006-02-21 |
| 6881527 | Toner, and process cartridge | Shuhei Moribe, Hirohide Tanikawa, Takashige Kasuya, Yoshihiro Ogawa, Hideto Iida +1 more | 2005-04-19 |
| 6875549 | Dry toner, toner production process, image forming method and process cartridge | Katsuhisa Yamazaki, Hirohide Tanikawa, Takashige Kasuya, Yoshihiro Ogawa, Shuhei Moribe | 2005-04-05 |
| 6485875 | Toner and resin composition for the toner | Yuki Karaki, Takashige Kasuya, Yoshihiro Ogawa | 2002-11-26 |
| 6300024 | Toner, two-component type developer, heat fixing method, image forming method and apparatus unit | Satoshi Yoshida, Takashige Kasuya, Yuki Karaki | 2001-10-09 |
| 6214509 | Toner and image forming method | Takashige Kasuya, Tsutomu Kukimoto, Satoshi Yoshida, Manabu Ohno, Tsuyoshi Takiguchi +3 more | 2001-04-10 |
| 6033817 | Toner for developing electrostatic image and image forming method | Motoo Urawa, Keita Nozawa, Yuki Karaki, Kazuo Maruyama | 2000-03-07 |
| 6002895 | Process cartridge | Takashige Kasuya, Hiroyuki Suematsu, Koichi Tomiyama, Takakuni Kobori, Masaichiro Katada | 1999-12-14 |
| 5912101 | Toner for forming an image, image forming method and heat-fixing method | Yuki Karaki, Takashige Kasuya, Kazuo Maruyama, Masao Takano | 1999-06-15 |
| 5840457 | Magnetic black toner and multi-color or full-color image forming method | Motoo Urawa, Keita Nozawa, Takashige Kasuya, Yuki Karaki, Kazuo Maruyama +1 more | 1998-11-24 |
| 5802428 | Images forming apparatus and developer for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Hiroyuki Suematsu, Eiichi Imai +3 more | 1998-09-01 |
| 5736288 | Toner for developing electrostatic images, process cartridge, and image forming method | Takashige Kasuya, Hiroyuki Suematsu, Koichi Tomiyama, Takakuni Kobori, Masaichiro Katada | 1998-04-07 |
| 5700616 | Developer for developing an electrostatic image and image forming method | Takashige Kasuya, Osamu Tamura, Takakuni Kobori, Masaichiro Katada | 1997-12-23 |
| 5663026 | Magnetic toner, process cartridge and image forming method | Takashige Kasuya, Hiroyuki Suematsu, Koichi Tomiyama, Takakuni Kobori, Masaichiro Katada | 1997-09-02 |
| 5534981 | Image forming apparatus and developer for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Hiroyuki Suematsu, Eiichi Imai +3 more | 1996-07-09 |
| 5510223 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus | Tsutomu Kukimoto, Koichi Tomiyama, Tsuyoshi Takiguchi, Eiichi Imai, Tetsuya Kuribayashi +2 more | 1996-04-23 |
| 5464722 | Production of toner for developing electrostatic images | Koichi Tomiyama, Takakuni Kobori | 1995-11-07 |
| 5447815 | Developer for developing electrostatic image and image forming method | Masayoshi Kato, Koichi Tomiyama | 1995-09-05 |
| 5424810 | Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus | Koichi Tomiyama, Hiroyuki Suematsu, Masayoshi Kato, Takakuni Kobori | 1995-06-13 |
| 5422707 | Toner for developing electrostatic images, detachable apparatus, image forming apparatus and facsimile apparatus | Tsuyoshi Takiguchi, Tsutomu Kukimoto, Koichi Tomiyama, Tetsuhito Kuwashima | 1995-06-06 |
| 5392103 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus | Tsutomu Kukimoto, Koichi Tomiyama, Tsuyoshi Takiguchi, Eiichi Imai, Tetsuya Kuribayashi +2 more | 1995-02-21 |
| 5338638 | Toner for developing electrostatic image and process for production thereof | Kiyoko Tsuchiya, Koichi Tomiyama, Masayoshi Kato, Tsutomu Kukimoto | 1994-08-16 |