Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Yohichiroh Watanabe, Toyoshi Sawada, Takuya Saito, Tatsuhiko Osaki +2 more | 2004-12-14 |
| 6821698 | Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus | Toyoshi Sawada, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito | 2004-11-23 |
| 6819892 | Electrophotographic image forming apparatus including air conditioning means for removing harmful substances | Yasushi Nakazato, Yusuke Takeda, Tsukuru Kai, Satoshi Muramatsu, Yasuo Suzuki +1 more | 2004-11-16 |
| 6816964 | SYSTEM, METHOD AND MEDIUM STORING A PROGRAM CONTROLLING A COMPUTER, TO INSTALL A PROGRAM REMOTELY AND AUTOMATICALLY INTO A CLIENT BY PRE-DOWNLOADED AGENT USING MANAGING RECORD RECORDING AN INSTALL EXECUTION STATE OF THE CLIENT AND EXECUTION CONTROL INFORMATION | Akikazu Seki, Katsuya Yamada | 2004-11-09 |
| 6740461 | Carrier and two-component developer for electrophotography | Masahide Yamashita, Yohichiroh Watanabe, Kazuhito Watanabe, Keiko Shiraishi, Kohki Katoh | 2004-05-25 |
| 6716561 | Toner for developing electrostatic latent image and image forming method using same | Keiko Shiraishi, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2004-04-06 |
| 6697798 | Retrieval system of secondary data added documents in database, and program | Takahiro Nakamura | 2004-02-24 |