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

Junichi Itoh — 57 Patents

OCOlympus Optical Co.: 26 patents #64 of 2,334Top 3%
Nissan Motor Co.: 11 patents #614 of 8,689Top 8%
NTNagaoka University Of Technology: 10 patents #1 of 81Top 2%
MCMurata Manufacturing Co.: 5 patents #1,480 of 5,295Top 30%
FCFuji Electric Co.: 4 patents #580 of 2,643Top 25%
Panasonic: 2 patents #9,678 of 21,108Top 50%
TSTokuyama Soda: 2 patents #22 of 151Top 15%
ULUlvac: 2 patents #199 of 680Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
OMOmron: 1 patents #1,808 of 3,089Top 60%
DIDic: 1 patents #467 of 844Top 60%
JCJapan Solderless Terminal Mfg. Co.: 1 patents #14 of 40Top 35%
OLOlympus: 1 patents #2,078 of 3,097Top 70%
Nagaoka, JP: #2 of 243 inventorsTop 1%
Overall (All Time): #43,065 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6561829 Connector that absorbs alignment error Tomoharu Maeda, Norihiro Ninomiya 2003-05-13
6094542 Camera using cartridge which can be replaced in the course of usage Yuji Imai, Yasuo Tambara 2000-07-25
6060860 Control apparatus for variably controlling speed induction motor Hidetoshi Umida, Hiroyuki Yonezawa 2000-05-09
5991183 Polyphase voltage converter Koetsu Fujita 1999-11-23
5794081 Camera capable of detecting camera shake and compensating image blur due to camera shake Tatsuya Satoh, Yoshinori Matsuzawa, Yasuo Tanbara 1998-08-11
5652919 Optical apparatus having function for testing shake compensation by using external comunication 1997-07-29
5649247 Apparatus for recording information of camera capable of optical data recording and magnetic data recording Keiji Kunishige, Koji Mizobuchi, Yoshiaki Kobayashi, Toshiaki Ishimaru, Akira Watanabe +1 more 1997-07-15
5617176 Shake detecting and drift component removal apparatus Yoshinori Matsuzawa, Yasuo Tanbara 1997-04-01
5574926 One-chip microcomputer system having function for substantially correcting contents of program Azuma Miyazawa, Yuji Imai, Minoru Hara, Kazutada Kobayashi, Shoji Kawamura +3 more 1996-11-12
5537180 Camera for recording position information of object to be photographed on the basis of moving amount of object in photographic image plane, and method of recording position information Hisayuki Matsumoto 1996-07-16
5526078 Apparatus for recording camera information capable of optical data recording and magnetic data recording Keiji Kunishige, Koji Mizobuchi, Yoshiaki Kobayashi, Toshiaki Ishimaru, Akira Watanabe +1 more 1996-06-11
5500701 Data recording module device for camera and camera system using the same 1996-03-19
5469237 Data printing apparatus Yuta Sato, Minoru Matsuzaki, Masaharu Hamada, Yuji Imai 1995-11-21
5453805 Data recording apparatus for a camera 1995-09-26
5430512 Camera with magnetic recording apparatus wherein relative positions of a magnetic and a recording head are set with precision Yoji Watanabe 1995-07-04
5376981 Data recording apparatus for a camera 1994-12-27
5371561 Data printing apparatus Yuta Sato, Minoru Matsuzaki, Masaharu Hamada, Yuji Imai 1994-12-06
5343264 Camera using film having magnetic recording portion Masahiro Dai, Yoji Watanabe 1994-08-30
5335029 Magnetic recording system for camera using film with magnetic recording portion Masahiro Dai, Yasushi Toizumi, Kazunori Mizokami, Yoji Watanabe, Ayumu Midorikawa 1994-08-02
5227831 Auto-zooming camera apparatus having advanced photographing-magnification setting and displaying functions Satoshi Miyazaki, Yasuo Tanbara, Mitsuo Kawazoe 1993-07-13
5160998 Semiconductor device and method of manufacturing the same Kazuyuki Kurita 1992-11-03
5060005 Camera system Yoshinori Matsuzawa, Youji Watanabe, Yoshiaki Kobayashi 1991-10-22
5030981 Automatic focusing camera Minoru Matsuzaki, Youji Watanabe 1991-07-09
4978990 Exposure control apparatus for camera Masafumi Yamasaki, Toshiyuki Toyofuku, Shinichi Kodama 1990-12-18
4965443 Focus detection apparatus using neural network means Masafumi Yamasaki, Toshiyuki Toyofuku, Shinichi Kodama 1990-10-23