YI

Yoichi Ito

Ricoh Company: 43 patents #311 of 9,818Top 4%
SO Sony: 12 patents #3,691 of 25,231Top 15%
JS Jfe Steel: 5 patents #316 of 1,401Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HD Hitachi Displays: 3 patents #305 of 752Top 45%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
HC Hitachi Electronic Devices Co.: 1 patents #50 of 92Top 55%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
📍 Tokyo, CA: #112 of 583 inventorsTop 20%
Overall (All Time): #24,793 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 51–75 of 76 patents

Patent #TitleCo-InventorsDate
8573769 Image forming apparatus Akiyoshi Tanaka, Kuniyori Takano 2013-11-05
8556376 Image forming apparatus Fumitaka Kikkawa, Tomomi Katoh, Mitsuya Matsubara, Kuniyori Takano, Soyoung Park +4 more 2013-10-15
8556256 Image forming apparatus having clutch assembly 2013-10-15
8544986 Image forming apparatus Yuji Tanaka, Mitsuya Matsubara 2013-10-01
8544983 Image forming apparatus Akiyoshi Tanaka, Soyoung Park, Kuniyori Takano 2013-10-01
8534669 Conveyance device and image forming device Yuji Tanaka 2013-09-17
8500240 Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording medium Mitsuya Matsubara, Akiyoshi Tanaka, Tomomi Katoh, Fumitaka Kikkawa, Soyoung Park +6 more 2013-08-06
8419156 Image forming apparatus capable of effectively damping vibration Akiyoshi Tanaka 2013-04-16
8390590 Information input apparatus and information input method Tomotaka Takarabe 2013-03-05
8342628 Image forming apparatus Akiyoshi Tanaka, Tsuguyori Kemma 2013-01-01
8336987 Image forming apparatus Akiyoshi Tanaka, Tsuguyori Kemma 2012-12-25
8303077 Image forming apparatus employing carriage with image forming unit mounted thereon Akiyoshi Tanaka, Tsuguyori Kemma 2012-11-06
8002377 Image forming apparatus Seiichi Kogure 2011-08-23
7969529 Liquid crystal display device using external electrode fluorescent lamps Naotoshi Sumiya 2011-06-28
7835651 Image forming apparatus and image forming method Hiroshi Tanaka 2010-11-16
7677818 Camera to which plurality of types of photographing lenses or accessories can be detachably attached, and control method of the camera Hiroyoshi Akiyama, Takeshi Kindaichi 2010-03-16
7660540 Image forming apparatus and image forming method Hiroshi Tanaka 2010-02-09
7591551 Image forming apparatus Shinji Imoto, Seiichi Kogure 2009-09-22
7471894 Manufacturing method of color cathode ray tube Satoshi Muto 2008-12-30
7450842 Manufacturing method of color cathode ray tube Satoshi Muto 2008-11-11
7118453 Workpiece grinding method Nobumitsu Hori, Kazuo Tabuchi, Mamoru Katsuta 2006-10-10
6707243 Color cathode ray tube having an improved shadow mask supporting structure 2004-03-16
6707242 Color cathode ray tube Koji Hagiwara 2004-03-16
5616188 Method of producing molten aluminum-killed steel for thin steel sheet Yoshiei Kato, Seiji Nabeshima, Kenichi Sorimachi 1997-04-01
5433567 Connection bolt assembly with locking means 1995-07-18