Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HI

Hiroshi Itoh

Toyota: 58 patents #127 of 26,838Top 1%
Canon: 27 patents #2,142 of 19,416Top 15%
MIMitsui Toatsu Chemicals, Incorporated: 21 patents #26 of 1,543Top 2%
LPLenovo (Singapore) Pte.: 20 patents #113 of 1,301Top 9%
NCNippondenso Co.: 12 patents #111 of 3,479Top 4%
NCNippon Shokubai Co.: 9 patents #114 of 1,108Top 15%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
IBM: 6 patents #16,453 of 70,183Top 25%
MCMitsui Chemicals: 5 patents #388 of 2,279Top 20%
OCOlympus Optical Co.: 4 patents #789 of 2,334Top 35%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
OLOlympus: 4 patents #1,098 of 3,097Top 40%
KAKao: 4 patents #816 of 3,221Top 30%
SESeiko Epson: 4 patents #3,385 of 7,774Top 45%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
KCKuraray Co.: 4 patents #386 of 1,827Top 25%
Kyocera: 4 patents #773 of 3,732Top 25%
KCKuraray Fastening Co.: 3 patents #6 of 37Top 20%
Nec: 3 patents #4,195 of 14,502Top 30%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
CLCentral Glass Company, Limited: 2 patents #334 of 968Top 35%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
KCKoken Co.: 2 patents #24 of 123Top 20%
TCTenryu Technics Co.: 2 patents #5 of 14Top 40%
TPTohoku Pioneer: 2 patents #104 of 312Top 35%
TOToshiba: 2 patents #606 of 2,688Top 25%
TKToshiba Kikai: 2 patents #223 of 713Top 35%
YMYamazaki Mazak: 2 patents #73 of 272Top 30%
Sony: 2 patents #12,963 of 25,231Top 55%
JTJapan Science And Technology: 1 patents #225 of 836Top 30%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
JCJapan Radio Co.: 1 patents #56 of 178Top 35%
HKHonda Giken Kabushiki Kaisha: 1 patents #5 of 184Top 3%
HZHitachi Zosen: 1 patents #216 of 531Top 45%
SCShionogi & Co.: 1 patents #620 of 1,054Top 60%
Hitachi: 1 patents #17,742 of 28,497Top 65%
SISumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
FLFujitsu Ten Limited: 1 patents #456 of 996Top 50%
DCDainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
DLDenki Kogyo Company, Limited: 1 patents #7 of 32Top 25%
TCToshiba Machine Co.: 1 patents #70 of 186Top 40%
TTToudai Tlo: 1 patents #31 of 79Top 40%
NCNew Japan Chemical Co.: 1 patents #51 of 110Top 50%
NSNippon Steel: 1 patents #2,111 of 4,423Top 50%
MPMitsubishi Tanabe Pharma: 1 patents #254 of 503Top 55%
KUKeio University: 1 patents #190 of 781Top 25%
NCNisshin Steel Co.: 1 patents #240 of 514Top 50%
KCKansai Paint Co.: 1 patents #432 of 822Top 55%
Overall (All Time): #1,866 of 4,157,543Top 1%
257 Patents All Time

Issued Patents All Time

Showing 51–75 of 257 patents

Patent #TitleCo-InventorsDate
7754476 Biochemical reaction cartridge Yasuyuki Numajiri 2010-07-13
7746399 Image pick-up device Seisuke Matsuda, Shigeru Hosokai, Yuichi Gomi, Yoshio Hagihara 2010-06-29
7736001 Focusing unit and ophthalmic photographing apparatus Shinya Tanaka, Tomoyuki Iwanaga 2010-06-15
7692703 Image pick-up apparatus Seisuke Matsuda, Shigeru Hosokai, Yuichi Gomi, Yoshio Hagihara 2010-04-06
7572630 Method for differentiating primate embryonic stem cell into vascular cell Kazuwa Nakao, Jun Yamashita, Masakatsu Sone, Yasushi Kondo, Yutaka Suzuki 2009-08-11
7508554 Image reader Noriyuki Tomita 2009-03-24
7472994 Ophthalmologic image pickup system 2009-01-06
7439671 Organic electroluminescent panel Isamu Ohshita, Takashi Yahagi, Hiroyuki Kura, Masatoshi Yamaki 2008-10-21
7405756 Image pickup apparatus 2008-07-29
7329509 Method for expressing a functional membrane-bound receptor protein using budded baculovirus Takao Hamakubo, Tatsuhiko Kodama, Kazuyuki Masuda 2008-02-12
7320519 Ophthalmic apparatus Tomoyuki Iwanaga, Shinya Tanaka 2008-01-22
7318021 Machine translation system, method and program Tomohiro Miyahira 2008-01-08
7313458 NC machine Tool Yasuharu SUMIDA, Kazuhiro Kikata 2007-12-25
7275214 Method of setting destinations of electronic mail 2007-09-25
7264843 Organic electroluminescent panel and producing method of the same Isamu Ohshita, Takashi Yahagi, Hiroyuki Kura, Masatoshi Yamaki 2007-09-04
7229175 Ophthalmic image sensing apparatus 2007-06-12
7164497 Color image processing apparatus 2007-01-16
7137017 Method and apparatus for controlling processor operation speed 2006-11-14
7117325 Recording device and recording system using recording disk, and backup, method for the same Ryohta Kawase 2006-10-03
7108904 Mold-in fastening member and process for producing molded resin article having the same Kunihiko Shimamura, Tooru Tanokura, Shiro Ogawa, Takashi Saeki 2006-09-19
7053881 Image display device and image display method 2006-05-30
7042506 Solid state image pick-up system Akihiro Kubota, Yukihiro Sugimoto, Toshiyuki Noguchi 2006-05-09
6997874 Noncontact ophthalmotonometer 2006-02-14
6998268 Gene preparations Masaaki Terada, Takahiro Ochiya, Teruo Miyata 2006-02-14
6978145 Multimedia signal processing apparatus Tadashi Takaba, Masanobu Shigyo, Yukimasa Takahira, Junji Satoh, Kusuo Yonezawa +2 more 2005-12-20