Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6038414 | Developing apparatus with magnetic seals for preventing toner leakage | Satoru Inami, Junichi Kato, Atsushi Numagami, Masahiro Yoshida, Yusuke Nakazono +1 more | 2000-03-14 |
| 6032007 | Developing device having magnetic seal | Masaaki Yamaji | 2000-02-29 |
| 6029030 | Developing apparatus with magnetic seal | Masaaki Yamaji | 2000-02-22 |
| 6021291 | Magnetic seal mounting method developing blade exchanging method and process cartridge | Atsushi Numagami, Toru Oguma | 2000-02-01 |
| 5987278 | Process cartridge and image forming apparatus usable therewith | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe +1 more | 1999-11-16 |
| 5966566 | Recycle method for process cartridge and image forming apparatus | Kazuyoshi Odagawa, Hiroo Kobayashi, Isao Ikemoto, Masahiko Yashiro, Atsushi Numagami +2 more | 1999-10-12 |
| 5953560 | Process cartridge, method for assembling process cartridge and image forming apparatus | Atsushi Numagami, Masahiko Yashiro | 1999-09-14 |
| 5943528 | Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge | Takashi Akutsu, Yoshikazu Sasago, Haruhisa Oshida, Kanji Yokomori, Shinya Noda | 1999-08-24 |
| 5920752 | Process cartridge including a toner frame swingably coupled with a drum frame feature and a grip feature, and an apparatus using the same | Isao Ikemoto, Yoshikazu Sasago, Haruhisa Oshida, Shinya Noda | 1999-07-06 |
| 5907749 | Process cartridge and image forming apparatus usable therewith | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe +1 more | 1999-05-25 |
| 5899602 | Process cartridge, process cartridge assembly method, and image forming apparatus | Shinya Noda, Yoshikazu Sasago, Haruhisa Oshida | 1999-05-04 |
| 5890036 | Process cartridge, process cartridge assembly method, and image forming apparatus | Isao Ikemoto, Yoshikazu Sasago, Haruhisa Oshida, Shinya Noda | 1999-03-30 |
| 5884124 | Dip sheet adhering method, cleaning device, process and image forming apparatus | Kazushi Watanabe, Takeo Shoji | 1999-03-16 |
| 5878310 | Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus | Shinya Noda, Yoshikazu Sasago, Haruhisa Oshida, Shigeo Miyabe | 1999-03-02 |
| 5828928 | Process cartridge mountable in an image forming system and a method for assembling a cleaning device | Yoshikazu Sasago, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +10 more | 1998-10-27 |
| 5812909 | Developing device | Toru Oguma, Tadayuki Tsuda, Shinichi Sasaki | 1998-09-22 |
| 5794101 | Process cartridge with seal members | Kazushi Watanabe, Yoshikazu Sasago | 1998-08-11 |
| 5781831 | Developing apparatus, process cartridge, image forming apparatus and assembly method for process cartridges | Hiroomi Matsuzaki, Kazunori Kobayashi | 1998-07-14 |
| 5774766 | Process cartridge, process cartridge assembly method, and electrophotographic image forming apparatus | Isao Ikemoto, Yoshikazu Sasago, Haruhisa Oshida, Shinya Noda | 1998-06-30 |
| 5768660 | Charging device and process cartridge | Satoshi Kurihara, Kazuyoshi Odagawa, Kazumi Sekine, Shinichi Sasaki, Isao Ikemoto +1 more | 1998-06-16 |
| 5749027 | Process cartridge, process cartridge assembly method, and image forming apparatus | Isao Ikemoto, Yoshikazu Sasago, Haruhisa Oshida, Shinya Noda | 1998-05-05 |
| 5689774 | Process cartridge and image forming apparatus using such a process cartridge | Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Atsushi Numagami | 1997-11-18 |
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe +1 more | 1997-10-28 |
| 5652647 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Atsushi Numagami | 1997-07-29 |
| 5638161 | Process cartridge, method for assembling process cartridge and image forming apparatus | Atsushi Numagami, Masahiko Yashiro | 1997-06-10 |