RK

Ryoichi Kawai

Sharp Kabushiki Kaisha: 18 patents #894 of 10,731Top 9%
📍 Nara, JP: #221 of 2,795 inventorsTop 8%
Overall (All Time): #259,291 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
7614736 Printing apparatus Hideyuki Miyake, Mitsutoshi Ikawa, Kenichi Shiraishi 2009-11-10
7602513 Paper conveying apparatus and printing apparatus Hideo Uwagaki, Shigeo Miyamoto 2009-10-13
7396121 Ink-jet printer Hideo Uwagaki, Hiromitsu Tsutsui, Nobuyuki Nakamura, Shigeo Miyamoto 2008-07-08
7316466 Maintenance mechanism for ink jet printer Hideo Uwagaki 2008-01-08
7275809 Structure for holding ink cartridge Hideo Uwagaki, Hiromitsu Tsutsui, Shigeo Miyamoto, Nobuyuki Nakamura 2007-10-02
7182425 Printer Hideo Uwagaki 2007-02-27
7092074 Paper feeding apparatus and image forming apparatus including the same Hideaki Kobayashi, Jun Hiraoka 2006-08-15
7077396 Sheet feeding apparatus Hideo Uwagaki 2006-07-18
6991312 Print head maintenance mechanism Hideo Uwagaki 2006-01-31
5265152 Facsimile apparatus Matahira Kotani, Motohiko Hayashi, Katsuyuki Sakai, Kenichi Shiraishi, Shigeru Kida 1993-11-23
5226639 Paper feeding device for facsimile apparatus Shigeru Kida, Motohiko Hayashi 1993-07-13
5201588 Printer with openable paper web cassette mounting a platen roller Katsuyuki Sakai, Kenichi Shiraishi, Shigeru Kida 1993-04-13
5071266 Head engagement mechanism for thermal recording apparatus Michiya Harada, Junichiro Matsumoto 1991-12-10
4895288 Facsimile device Matahira Kotani, Hiroshi Morimoto, Masafumi Matsumoto, Hiroshi Shirakoshi, Takashi Shinohara 1990-01-23
4827355 Reader/recorder assembly in a facsimile system Matahira Kotani, Masafumi Matsumoto, Kenichi Shiraishi 1989-05-02
4809080 Read/record head in facsimile Matahira Kotani, Hiroshi Morimoto, Kenichi Shiraishi 1989-02-28
4750047 Folding facsimile Matahira Kotani, Masafumi Matsumoto, Kenichi Shiraishi 1988-06-07
4587418 Optical reader with optical elements mounted on moldings Hiroshi Shirakoshi, Masafumi Matsumoto, Matahira Kotani 1986-05-06