Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7182846 | Hydrogen-containing gas measurement sensor element and measuring method using same | Keigo Mizutani, Daisuke Makino, Kazunori Suzuki | 2007-02-27 |
| 7172261 | Recovering apparatus for recovering a status of an ink jet recording head | Hitoshi Fujimoto, Katsumi Sugiyama, Masatoshi Ikkatai, Tsutomu Harada, Tatsuya Fukushima +2 more | 2007-02-06 |
| 6871936 | Recovering apparatus for recovering a status of an ink jet recording head | Hitoshi Fujimoto, Katsumi Sugiyama, Masatoshi Ikkatai, Tsutomu Harada, Tatsuya Fukushima +2 more | 2005-03-29 |
| 6126343 | Printing medium feeding apparatus using a specialized conveyor belt to control the printing medium tensioning | Katsumi Sugiyama, Yoshihiko Kitahara, Masatoshi Ikkatai, Tsutomu Harada, Tatsuya Fukushima +3 more | 2000-10-03 |
| 5953035 | Printing apparatus and printing method for use with rolled sheet and cut sheet feeding units | Yuichi Watanabe, Yoshihiko Kitahara, Hideaki Kishida, Masatoshi Ikkatai, Hitoshi Fujimoto | 1999-09-14 |
| 5871208 | Sheet convey apparatus with horizontal sheet stacking plate above convey means | Katsuaki Hirai | 1999-02-16 |
| 5819151 | Original feeding apparatus with rotary conveyor that releases original before reading | Yuji Takahashi, Masakazu Hiroi, Yoshinori Isobe, Akimaro Yoshida, Hitoshi Fujimoto +1 more | 1998-10-06 |
| 5676811 | Air-fuel ratio detecting device | Daisuke Makino, Hisayoshi Ohta, Keigo Mizutani, Masanori Yamada, Masahiro Shibata +1 more | 1997-10-14 |
| 5579083 | Image forming system with original feeding apparatus | Yuji Takahashi, Masakazu Hiroi, Yoshinori Isobe, Akimaro Yoshida, Hitoshi Fujimoto +1 more | 1996-11-26 |
| 5546168 | Image forming apparatus with selective operation in document-fix reading mode and document-move reading mode | Seiichiro Adachi, Masakazu Hiroi | 1996-08-13 |
| D370496 | Printer for electronic computer | Manabu Inoue | 1996-06-04 |
| D370495 | Printer for electronic computer | Manabu Inoue | 1996-06-04 |
| RE35087 | Sheet sorter with stapler | Nobutaka Uto, Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi +1 more | 1995-11-14 |
| 5455667 | Sheet handling apparatus with plural sheet storage units | Masakazu Hiroi, Norifumi Miyake, Tomohito Nakagawa | 1995-10-03 |
| 5448345 | Sheet original conveying apparatus and image forming apparatus with it | Nobutaka Uto | 1995-09-05 |
| 5351112 | Original feeding apparatus and image forming system with it | Yuji Takahashi, Masakazu Hiroi, Yoshinori Isobe, Akimaro Yoshida, Hitoshi Fujimoto +1 more | 1994-09-27 |
| 5238549 | Oxygen concentration detector | Daisuke Makino, Masahiro Shibata | 1993-08-24 |
| 5192976 | Sheet original feeding apparatus with detachable auxiliary feeder | Tadayuki Kitajima, Noriyoshi Ueda, Katsuaki Hirai, Takeshi Honjo, Yuji Morishige +1 more | 1993-03-09 |
| 5152511 | Sheet sorter with stapler | Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami +1 more | 1992-10-06 |
| 5132741 | Sheet original feeding apparatus and image forming system | Tadayuki Kitajima, Noriyoshi Ueda, Katsuaki Hirai, Takeshi Honjo, Yuji Morishige +1 more | 1992-07-21 |
| 5104106 | Sheet sorter with stapler | Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami +1 more | 1992-04-14 |
| 5092509 | Sheet stapling apparatus | Mitsuhiro Mukasa, Masakazu Hiroi | 1992-03-03 |
| 5035412 | Control method for a sorter | Masakazu Hiroi, Kimiaki Hayakawa, Kenji Kobayashi, Mitsuhiro Mukasa | 1991-07-30 |
| 5011130 | Sheet sorter | Masakazu Hiroi, Kimiaki Hayakawa | 1991-04-30 |
| 4986520 | Control method for sorter with stapler | Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami +1 more | 1991-01-22 |