SY

Seiji Yamaguchi

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%
Canon: 30 patents #1,833 of 19,416Top 10%
Honda Motor Co.: 20 patents #634 of 21,052Top 4%
TC Toyoda Gosei Co.: 18 patents #101 of 2,296Top 5%
OC Olympus Optical Co.: 10 patents #326 of 2,334Top 15%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
SG Sumita Optical Glass: 7 patents #7 of 59Top 15%
KM Konica Minolta: 6 patents #346 of 1,361Top 30%
KM Konica Minolta: 3 patents #1,112 of 2,718Top 45%
UI Ube Material Industries: 3 patents #14 of 58Top 25%
TC Toyo Ink Sc Holdings Co.: 2 patents #33 of 144Top 25%
KO Konica: 2 patents #962 of 1,958Top 50%
SC Shibaura Engineering Works Co.: 2 patents #1 of 28Top 4%
IC Ichibiki Co.: 2 patents #4 of 19Top 25%
JC Jidosha Kiki Co.: 2 patents #82 of 196Top 45%
TC Toyo Ink Co.: 2 patents #11 of 41Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
CF Chubu University Educational Foundation: 1 patents #13 of 38Top 35%
CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
EC Elmo Co.: 1 patents #41 of 62Top 70%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
NB Nec Biglobe: 1 patents #2 of 18Top 15%
OC Ohi Seisakusho Co.: 1 patents #94 of 196Top 50%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AE Asahi Kasei E-Materials: 1 patents #57 of 141Top 45%
📍 Kiyosu, JP: #2 of 413 inventorsTop 1%
Overall (All Time): #6,379 of 4,157,543Top 1%
148
Patents All Time

Issued Patents All Time

Showing 51–75 of 148 patents

Patent #TitleCo-InventorsDate
7181147 Image forming apparatus, developing unit and storage medium Masahide Kinoshita 2007-02-20
7174593 Vacuum cleaner having an ion generator Masakuni Soejima, Yasushi Kondo, Yoshihiro Taniguchi, Ryohei Yoshida, Masaki Shibuya +5 more 2007-02-13
7155149 Image forming apparatus which detects abnormality condition in feeding of toner Ritsuo Fujii, Hiroshi Isokawa, Yasuo Shiokawa 2006-12-26
7082279 Toner replenishment device for use in electrophotographic image forming apparatus Ritsuo Fujii, Hiroshi Isokawa 2006-07-25
7072606 Electrophotographic image forming apparatus equipped with toner conveyance device Ritsuo Fujii 2006-07-04
7062206 Toner supplying apparatus and image forming apparatus Ritsuo Fujii, Hiroshi Isokawa, Yasuo Shiokawa 2006-06-13
7050733 Image forming apparatus including two developer carrying members wherein potential differences between the developer carrying members and a common voltage source differ Masanobu Saito, Yasunari Watanabe, Kazunori Hashimoto 2006-05-23
7044490 Structure of front fork Shinji Ito, Terunari Saiki 2006-05-16
7035573 Developing apparatus having developer carrying screw with a plurality of inclination angles Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Takahito Ueno, Masao Uyama 2006-04-25
7010251 Toner conveyance device and image forming apparatus equipped therewith Kazumichi Yamauchi, Ritsuo Fujii, Satoshi Sakata, Hiroshi Isokawa, Hiroyuki Watanabe +1 more 2006-03-07
7006774 Image forming apparatus, wherein voltages applied to developer regulating members are based on respective voltages applied to developer carrying members Masanobu Saito, Yasunari Watanabe, Kazunori Hashimoto 2006-02-28
6985685 Developing device and image forming apparatus Kunio Shigeta, Seiko Itagaki, Toru Komatsu, Hiroshi Akita 2006-01-10
6978099 Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge Takahito Ueno, Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Masao Uyama 2005-12-20
6957023 Image forming apparatus, developing unit and storage medium Masahide Kinoshita 2005-10-18
6947677 Image forming apparatus with developing apparatus and method thereof Masao Uyama, Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Takahito Ueno 2005-09-20
6938714 Braking force input system Kenichi Misaki, Masamoto Ito, Kenji Nakamura 2005-09-06
D508138 Head light for a motorcycle Yoshihiro Takanashi 2005-08-02
D502432 Air cleaner case cover for motorcycle Masato Nagata 2005-03-01
6834175 Developer agitating member Kazunari Murayama, Masahide Kinoshita, Atsushi Numagami, Takahito Ueno, Masao Uyama 2004-12-21
6829463 Toner replenishing method with improved storage and separation units Ritsuo Fujii, Hiroshi Isokawa 2004-12-07
6814477 License light Toru Miyagawa, Toshinori Nakano 2004-11-09
6802632 Vehicular light-emitting device Kyotaro Kajitori, Masamoto Ito 2004-10-12
6719327 Meter cover structure Masamoto Ito 2004-04-13
6708007 Image forming apparatus and image forming method 2004-03-16
6688175 Speedometer mounting structure in motorcycle Hideo Ogura, Masamoto Ito, Toshihiko Suda 2004-02-10