Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11942666 | Precursor sheet for fuel cell separator, and fuel cell separator | Miho Iwai, Takehiro Okei, Kosuke Yasuda | 2024-03-26 |
| 9831417 | Poling treatment method, magnetic field poling device, and piezoelectric film | Takeshi Kijima, Yuuji Honda | 2017-11-28 |
| 9744569 | Method for cleaning piping and cleaning system for piping | Takaaki Suematsu, Tokuo Kure, Kenji Saito, Eiji Higashi | 2017-08-29 |
| 9081345 | Image forming apparatus | Wataru Uchida, Toshiaki Miyashiro, Mitsuhiro Ito, Taro Ishifune, Koji Nihonyanagi +4 more | 2015-07-14 |
| 7022972 | Image reader with a closed-state detector and image forming apparatus using same | Masayoshi Fukatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai | 2006-04-04 |
| 6952548 | Charging apparatus with auxiliary member and image forming apparatus having the charging apparatus | Michio Uchida, Akihiko Takeuchi, Tamotsu Kaneko, Takaaki Tsuruya, Isao Matsuoka +2 more | 2005-10-04 |
| 6930805 | Image reading apparatus | Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata, Masayoshi Fukatsu, Junichi Sekiyama | 2005-08-16 |
| 6924001 | Production device for DLC film-coated plastic container and production method therefor | Kenichi Hama, Tsuyoshi Kage, Takumi Kobayashi | 2005-08-02 |
| 6788321 | Image forming apparatus including holding member | Tamotsu Kaneko, Hideyuki Miyamoto | 2004-09-07 |
| 6733007 | Sheet material conveying device; image forming apparatus and sheet processing device | Junichi Sekiyama, Yasuyoshi Hayakawa, Masayoshi Fukatsu | 2004-05-11 |
| 6637996 | Bookbinding apparatus, adhesive cartridge, and image forming apparatus | Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata, Masayoshi Fukatsu, Junichi Sekiyama | 2003-10-28 |
| 6561503 | Sheet processing device with stack alignment | Atsushi Ogata, Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Masayoshi Fukatsu | 2003-05-13 |
| 6534761 | Image reader with a closed-state detector and image forming apparatus using same | Masayoshi Fukatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai | 2003-03-18 |
| 6382614 | Sheet processing apparatus and image forming apparatus | Masayoshi Fukatsu, Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata | 2002-05-07 |
| 6382616 | Aligning device for sheet finisher | Tsuyoshi Waragai, Teruo Komatsu, Yasuyoshi Hayakawa, Atsushi Ogata, Masayoshi Fukatsu | 2002-05-07 |
| 6341772 | In line rotatable stapling device | Tsuyoshi Waragai, Teruo Komatsu, Yasuyoshi Hayakawa | 2002-01-29 |
| 6325371 | Sheet conveying apparatus with conveying path changing device and sorter | Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata, Masayoshi Fukatsu | 2001-12-04 |
| 6318718 | Image forming apparatus and sheet stacking device with lifter | Atsushi Ogata, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Masayoshi Fukatsu | 2001-11-20 |
| 6302606 | Sheet receiving/stacking device, and image forming apparatus having the same | Yasuyoshi Hayakawa, Teruo Komatsu, Tsuyoshi Waragai, Atsushi Ogata, Masayoshi Fukatsu | 2001-10-16 |
| 6286830 | Sheet material stacking device and image forming apparatus having same | Yoshihiko Kitahara, Teruo Komatsu, Yasuyoshi Hayakawa | 2001-09-11 |
| 6206369 | Sorter | Osamu Hoshii, Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai | 2001-03-27 |
| 5651540 | Sheet supply device with stacking reference guide | Yoshiaki Watanabe, Takao Sameshima, Hiroaki Namiki, Ryukichi Inoue, Kazuhide Kudo +1 more | 1997-07-29 |
| 5501444 | Sheet supply apparatus | Hiroshi Yukimachi, Teruo Komatsu, Takahiro Azeta, Tsuyoshi Waragai, Osamu Hoshii | 1996-03-26 |
| 5443251 | Sheet feeding apparatus | Shoichi Kan | 1995-08-22 |
| 5154411 | Image forming apparatus | Jun Saito, Hironori Shido, Junichi Kimizuka, Toshiyuki Itoh, Kaoru Sato +1 more | 1992-10-13 |