Issued Patents All Time
Showing 126–135 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418290 | Developer agitating sheet and developer container | Tetuo Isomura, Yutaka Ban | 2002-07-09 |
| 6314261 | Toner container and toner replenishing mechanism | Kazuhiko Omata, Yusuke Yamada, Fumio Tazawa | 2001-11-06 |
| 6278853 | Recycling method of toner container | Yutaka Ban, Fumio Tazawa | 2001-08-21 |
| 6128453 | Toner supply container detachably mountable to a main assembly of an electrophotographic image forming apparatus and a sealing member usable with the toner supply container | Yutaka Ban, Shinichi Onodera, Kazuhiko Omata, Kyota Miyazaki, Ayumu Murakami | 2000-10-03 |
| 6049685 | Toner supply container detachably mountable to a main assembly of an image forming apparatus | Ayumu Murakami, Kyota Miyazaki, Fumio Tazawa | 2000-04-11 |
| D422303 | Toner supplying cartridge for photocopier | Motoaki Takeuchi, Masaki Takahashi, Kazuhisa Horikoshi, Tatsuya Hisatomi | 2000-04-04 |
| 5665243 | Method for removing metal contained in solution using surfactant having chelating ability | Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Kojiro Murayama, Koichi Sugiura +3 more | 1997-09-09 |
| 5650056 | Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same | Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Kojiro Murayama, Koichi Sugiura +3 more | 1997-07-22 |
| 5587060 | Method of removing metal contained in solution | Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Kojiro Murayama, Koichi Sugiura +3 more | 1996-12-24 |
| 4594449 | Process for producing terephthalic acid suitable for use in direct polymerization | Toshiaki Takuma, Takayuki Tsumura, Takanori Tsugiya, Yasue Nakajima | 1986-06-10 |