Issued Patents All Time
Showing 101–125 of 159 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085058 | Image forming apparatus having transfer rotary member with surface friction greater than that of image bearing member | Hiroto Hasegawa, Toshio Miyamoto, Yuko Ohkama | 2000-07-04 |
| 6075228 | Image heating device with bimetal thermoprotector | Hiroto Hasegawa, Yuko Okama, Yozo Hotta | 2000-06-13 |
| 6071443 | Method of producing lens sheet and projection screen | Futoshi Osawa | 2000-06-06 |
| 6046855 | Lenticular lens sheet and process for producing the same | — | 2000-04-04 |
| 6031664 | Transmission type projector screen utilizing parallel optical sheets and prism lenses | — | 2000-02-29 |
| 6023369 | Reflection screen and front projection system | — | 2000-02-08 |
| 5991555 | Image forming apparatus | Masahiko Suzumi, Hiroto Hasegawa | 1999-11-23 |
| 5979182 | Method of and apparatus for air separation | Shuhei Natani, Masayuki Tanaka | 1999-11-09 |
| 5982295 | Anti-theft device having excellent identification code overwriting capabilities | Ikuo Hayashi, Takahide Kitahara, Fumio Asakura, Ryozo Okumura, Kiyokazu Yoshida | 1999-11-09 |
| 5960233 | Temperature control for a fixing apparatus | Takahiro Inoue, Kouichi Suwa, Yuko Okama, Satoru Izawa | 1999-09-28 |
| 5917529 | Image forming apparatus having relationship between driving gear pitch and scanning line pitch | Yozo Hotta, Toshio Miyamoto | 1999-06-29 |
| 5880887 | Lenticular lens sheet, display front plate and transmission type projection screen | — | 1999-03-09 |
| 5860051 | Belt-type fixing apparatus with pressure roller | Toshio Miyamoto, Satoru Izawa, Masahiko Suzumi | 1999-01-12 |
| 5856778 | Intrusion detecting apparatus for a vehicle | Hiroyuki Kani, Ikuo Hayashi, Takeo Tsuzuki | 1999-01-05 |
| 5850245 | Page printer | Yoji Serizawa, Toshio Miyamoto, Yuko Ohkama, Saturo Izawa, Yozo Hotta +1 more | 1998-12-15 |
| 5835010 | Automatic answering system using transponder | Fumio Asakura, Takahide Kitahara, Ryozo Okumura, Kiyokazu Yoshida | 1998-11-10 |
| 5808544 | Intrusion detecting apparatus for a vehicle | Hiroyuki Kani, Ikuo Hayashi, Takeo Tsuzuki | 1998-09-15 |
| 5733047 | Enciphering system applicable to various keyless entry systems | Noritoshi Furuta | 1998-03-31 |
| 5732314 | Image forming apparatus comprising image bearing member, intermediate image transfer member and secondary image transfer member for facilitating transfer of developed image from intermediate image transfer member to transfer material | Shinichi Tsukida, Koichi Tanigawa, Toshio Miyamoto, Yuko Ohkama, Satoru Izawa +1 more | 1998-03-24 |
| 5722026 | Pressing rotator and heating-fixing apparatus using the same | Toshio Miyamoto, Satoru Izawa | 1998-02-24 |
| 5707002 | Envelope for use in image forming apparatus | Toshio Miyamoto, Takahiro Inoue, Koichi Suwa | 1998-01-13 |
| 5694158 | Image forming apparatus with image carrier and sheet feed drive control | Junichi Kato, Masaki Ojima, Takahiro Inoue, Koichi Hiroshima, Shinichi Tsukida +10 more | 1997-12-02 |
| 5669036 | Image forming method | Yozo Hotta, Toshio Miyamoto | 1997-09-16 |
| 5659840 | Developing method using developing electric field having back-transfer, transfer and rest steps | Toshio Miyamoto, Koichi Tanigawa, Yozo Hotta | 1997-08-19 |
| 5646717 | Image forming apparatus having charging member | Koichi Hiroshima, Yoji Serizawa, Makoto Takeuchi, Tatsunori Ishiyama | 1997-07-08 |