KW

Kazuhiko Watanabe

FU Fujikoki: 50 patents #1 of 156Top 1%
Ricoh Company: 39 patents #374 of 9,818Top 4%
Nissan Motor Co.: 10 patents #698 of 8,689Top 9%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
SI Sanshin Industries: 9 patents #39 of 319Top 15%
FC Fujikoki Mfg. Co.: 8 patents #1 of 33Top 4%
DE Denso: 3 patents #3,857 of 11,792Top 35%
Canon: 3 patents #11,241 of 19,416Top 60%
FC Fuji Capsule Co.: 3 patents #1 of 16Top 7%
NI Nisca: 2 patents #165 of 371Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
TI Texas Instruments: 1 patents #7,357 of 12,488Top 60%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
KO Konica: 1 patents #1,290 of 1,958Top 70%
NL Nicoventures Trading Limited: 1 patents #213 of 303Top 75%
RY Ryobi: 1 patents #160 of 309Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
AH Asahi Group Holdings: 1 patents #28 of 107Top 30%
📍 Tokyo, MO: #13 of 223 inventorsTop 6%
Overall (All Time): #6,482 of 4,157,543Top 1%
147
Patents All Time

Issued Patents All Time

Showing 26–50 of 147 patents

Patent #TitleCo-InventorsDate
9455422 Rectangular battery Mizuo Iwasaki, Kenji Saruwatari, Shinpei Yamagami, Yasushi Nakagiri 2016-09-27
9436117 Image forming apparatus configured to modify a reference voltage correction amount Hisashi Kikuchi, Takaaki Tawada, Eisuke Shimizu 2016-09-06
9329519 Charging roller, charging device and image forming apparatus incorporating same, and method of calculating resistance of charging roller Hisashi Kikuchi, Takaaki Tawada, Eisuke Shimizu 2016-05-03
9310751 Blade member, image forming apparatus and process cartridge Eisuke Shimizu, Takaaki Tawada, Hisashi Kikuchi 2016-04-12
9310750 Image forming apparatus and process cartridge therefor Hisashi Kikuchi, Takatsugu Fujishiro, Takaaki Tawada, Naomi Sugimoto, Yuu Sakakibara 2016-04-12
9244721 Computer system and divided job processing method and program Kazuya Konno 2016-01-26
9170557 Cleaning blade, image forming apparatus, and process cartridge Takaaki Tawada, Takatsugu Fujishiro, Hisashi Kikuchi 2015-10-27
9081353 Cleaner, and process cartridge and image forming apparatus using the cleaner Takaaki Tawada, Takatsugu Fujishiro, Hisashi Kikuchi, Naomi Sugimoto, Yuu Sakakibara 2015-07-14
9052629 Image forming apparatus Keiji Okamoto 2015-06-09
8918008 Connector, charging device incorporating same, and image forming apparatus incorporating the connector Keiji Okamoto 2014-12-23
8798516 Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device Keiji Okamoto 2014-08-05
8712309 Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device Keiji Okamoto 2014-04-29
D683674 Hood for automobile 2013-06-04
8364070 Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device Keiji Okamoto 2013-01-29
8332603 Dual writing device and its control method Nobuhiro Maki, Kenichi Oyamada, Masaaki Hosouchi 2012-12-11
D671455 Automobile and/or toy replica thereof 2012-11-27
D670216 Front bumper for automobile 2012-11-06
D670214 Radiator grill for an automobile 2012-11-06
8275301 Cleaning device, method of manufacturing the cleaning device, and process unit and image forming apparatus using same Yoshiki Hozumi, Takeshi Saitoh 2012-09-25
D666752 Headlamp for an automobile 2012-09-04
8172214 Sheet collecting apparatus, post processing apparatus and image formation system Ichitaro Kubota 2012-05-08
8131199 Cleaning device for image forming apparatus, and process cartridge having cleaning device Yoshiki Hozumi 2012-03-06
8127097 Dual writing device and its control method Nobuhiro Maki, Kenichi Oyamada, Masaaki Hosouchi 2012-02-28
8123209 Sheet collecting method, sheet correcting apparatus, post-processing apparatus, and image formation system Ichitaro Kubota 2012-02-28
8027628 Cleaning device, process cartridge, and image forming apparatus Masahiko Shakuto, Osamu Naruse, Hidetosi Yano 2011-09-27