Issued Patents All Time
Showing 251–275 of 314 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501767 | Mobile IP communication scheme for supporting mobile computer move over different address spaces | Masahiro Ishiyama, Atsushi Fukumoto, Yoshiyuki Tsuda | 2002-12-31 |
| 6480464 | Disk cartridge with holder and disk information | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Nobuo Masuoka | 2002-11-12 |
| 6463030 | Disc cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hiroaki Ono | 2002-10-08 |
| 6459867 | Developing apparatus | Toshihide Ohgoshi, Shigeyuki Wakada, Eiichi Kido, Takayuki Yamanaka, Masahiro Sakai +2 more | 2002-10-01 |
| 6449242 | Disk cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hiroaki Ono | 2002-09-10 |
| 6442616 | Method and apparatus for communication control of mobil computers in communication network systems using private IP addresses | Masahiro Ishiyama, Osamu Moriya, Atsushi Shimbo, Toshio Okamoto | 2002-08-27 |
| 6405009 | Image forming apparatus including system for recycling toner | Kouji Shinkawa, Takashi Sakai, Takayuki Yamanaka, Jitsuo Masuda | 2002-06-11 |
| 6400678 | Disc cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hiroaki Ono | 2002-06-04 |
| 6353720 | Image developing device using a toner as a developer | Takashi Sakai, Takayuki Yamanaka, Jitsuo Masuda | 2002-03-05 |
| 6349087 | Disk cartridge with a disk holding member | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Nobuo Masuoka | 2002-02-19 |
| 6339686 | Developer unit with cleaning element | Takayuki Yamanaka, Eiichi Kido, Mikie Kobayashi, Shigeyuki Wakada, Jitsuo Masuda +3 more | 2002-01-15 |
| 6314258 | Image forming apparatus realizing stable charging and development characteristics | Hiroshi Ishii | 2001-11-06 |
| 6308018 | Image forming apparatus | Hiroaki Yoshida, Jitsuo Masuda, Junji Morimoto, Eiichi Kido, Masahiro Sakai +1 more | 2001-10-23 |
| 6292639 | Contact charging device, process cartridge and image forming device having the same | Hiroshi Ishii | 2001-09-18 |
| 6285642 | Disk device with vibration-insulating mechanism | Nobuo Masuoka, Tomomi Okamoto, Kyuichiro Nagai | 2001-09-04 |
| 6282394 | Toner developing device for an image forming apparatus | Takashi Sakai, Hiroshi Tatsumi, Takayuki Yamanaka | 2001-08-28 |
| 6240514 | Packet processing device and mobile computer with reduced packet processing overhead | Masahiro Ishiyama, Atsushi Fukumoto, Yoshiyuki Tsuda, Atsushi Shimbo, Toshio Okamoto | 2001-05-29 |
| 6212348 | Developing unit having elastic blade | Hiroshi Tatsumi, Takayuki Yamanaka, Takashi Sakai | 2001-04-03 |
| 6205105 | Disk cartridge and disk cartridge apparatus | Tomomi Okamoto | 2001-03-20 |
| 6170057 | Mobile computer and method of packet encryption and authentication in mobile computing based on security policy of visited network | Masahiro Ishiyama, Atsushi Fukumoto, Yoshiyuki Tsuda, Atsushi Shimbo, Toshio Okamoto | 2001-01-02 |
| 6167513 | Mobile computing scheme using encryption and authentication processing based on mobile computer location and network operating policy | Masahiro Ishiyama, Atsushi Fukumoto, Yoshiyuki Tsuda, Atsushi Shimbo, Toshio Okamoto | 2000-12-26 |
| 6163843 | Packet inspection device, mobile computer and packet transfer method in mobile computing with improved mobile computer authenticity check scheme | Masahiro Ishiyama, Atsushi Fukumoto, Yoshiyuki Tsuda, Atsushi Shimbo, Toshio Okamoto | 2000-12-19 |
| 6154627 | Developing apparatus using one-component toner | Tadashi Iwamatsu, Kazuhiro Matsuyama, Toshihiko Takaya, Masanori Yamada, Nobuyuki Azuma +1 more | 2000-11-28 |
| 6097918 | Image forming apparatus | Toshihiko Takaya, Takayuki Yamanaka, Hiroshi Tatsumi, Takashi Sakai, Nobuhiko Nakano | 2000-08-01 |
| 6092191 | Packet authentication and packet encryption/decryption scheme for security gateway | Atsushi Shimbo, Masahiro Ishiyama, Toshio Okamoto | 2000-07-18 |