YY

Yuji Yamanaka

Canon: 37 patents #1,284 of 19,416Top 7%
Ricoh Company: 15 patents #1,477 of 9,818Top 20%
MC Mitsumi Electric Co.: 9 patents #88 of 935Top 10%
TC Taisei Kako Co.: 8 patents #9 of 108Top 9%
CP Chugai Pharmaceutical: 8 patents #86 of 1,238Top 7%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
TS Toshiba Electronic Devices & Storage: 5 patents #146 of 900Top 20%
TI Toray Industries: 3 patents #932 of 3,690Top 30%
SC Sinfonia Technology Co.: 2 patents #41 of 162Top 30%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
Overall (All Time): #21,595 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 51–75 of 82 patents

Patent #TitleCo-InventorsDate
7378823 Multi-output type DC/DC converter with a constant on time interval in a steady state Keizo Kumagai, Tatsuya Inenaga, Takeshi Satou 2008-05-27
7372239 Multi-output type DC/DC converter Keizo Kumagai 2008-05-13
7317561 Image reading apparatus, and image forming apparatus Yuichi Makino 2008-01-08
7296791 Image forming apparatus, sheet containing device, sheet inserting device, book-binding system, and sheet processing apparatus Masahiro Kurahashi, Katsuaki Hirai, Norifumi Miyake, Keizo Isemura, Naoto Watanabe +2 more 2007-11-20
7289744 Image forming apparatus Jiro Shirakata, Koji Takematsu, Hisashi Otaka, Kohei Koshida, Kenichi Manabe +2 more 2007-10-30
7196827 Image reading apparatus and image forming apparatus 2007-03-27
7175175 Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system Kiyoshi Okamoto, Kiyoshi Watanabe, Yuichi Yamamoto, Yoshiyuki Nakajima, Hiroyuki Sekine 2007-02-13
7156391 Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system Kiyoshi Okamoto, Kiyoshi Watanabe, Yuichi Yamamoto, Yoshiyuki Nakajima, Hiroyuki Sekine 2007-01-02
6967530 Circuit and semiconductor device for reducing the generation of shock noise of a power amplifier outputting amplified audio signals Jun Omata, Tomomi Oda 2005-11-22
6788503 Protecting circuit against short-circuit of output terminal of AC adapter Hiromi Kato 2004-09-07
6671491 Sheet processor mounted within sheet-discharge section of image forming apparatus, and image forming apparatus including the same Yoshifumi Takehara, Daisaku Kamiya 2003-12-30
6642694 Overcharge protection circuit capable of preventing damage to a charge control switch on flowing an excessive current Kenichi Miki 2003-11-04
6381443 Sheet punching device and image forming apparatus having the same Wataru Kawata, Nobutaka Uto, Mitsugu Kamizuru 2002-04-30
6347213 Automatic original document conveying apparatus and image forming apparatus Michiro Koike, Hitoshi Fujimoto, Kenichi Manabe 2002-02-12
6253057 Sheet processing apparatus with die cover formed from anti-static material and image forming process having same 2001-06-26
6024525 Tape heating apparatus and bookbinding apparatus 2000-02-15
5964459 Sheet-bundle conveying apparatus 1999-10-12
5899138 Sheet-bundle conveying device with low disturbance conveyance and stacking features 1999-05-04
5865434 Sheet conveying apparatus and sheet sorting apparatus using the same 1999-02-02
5833423 Bind tape used with bookbinding apparatus Yoshimasu Yamaguchi, Toshihiko Kusumoto, Ryuichi Iwanaga, Hideaki Kosasa, Hiroshi Ota +1 more 1998-11-10
5810551 Sheet containing apparatus and image forming apparatus 1998-09-22
5735659 Binding apparatus with spine cover printing apparatus Hideaki Kosasa, Toshihiko Kusumoto, Yoshimasu Yamaguchi, Hiroshi Ota, Kozo Sakakibara 1998-04-07
5720479 Sheet sorting and containing apparatus Yoshimasu Yamaguchi, Yuji Takahashi, Kimiaki Hayakawa, Toshihiko Kusumoto, Hideaki Kosasa +2 more 1998-02-24
5695181 Sheet sorting apparatus 1997-12-09
5569012 Book binding apparatus Hideaki Kosasa, Yuji Takahashi, Kimiaki Hayakawa, Toshihiko Kusumoto, Yoshimasu Yamaguchi +2 more 1996-10-29