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

Michio Ito

Canon: 15 patents #4,433 of 19,416Top 25%
MCMatsumoto Dental College: 9 patents #1 of 7Top 15%
DIDaicel Chemical Industries: 9 patents #66 of 893Top 8%
Mazda Motor: 9 patents #381 of 4,755Top 9%
SESeiko Epson: 8 patents #2,198 of 7,774Top 30%
INInjex: 7 patents #3 of 9Top 35%
TITokai Rubber Industries: 5 patents #86 of 557Top 20%
YKYkk: 4 patents #176 of 845Top 25%
OCOki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
YKYoshida Kogyo K.K.: 4 patents #104 of 468Top 25%
MKMitsubishi Kasei: 3 patents #121 of 911Top 15%
MUMatsumoto Dental University: 3 patents #1 of 12Top 9%
MCMitsubishi Chemical: 2 patents #1,511 of 3,022Top 50%
HZHitachi Zosen: 2 patents #121 of 531Top 25%
NCNippon Seiki Co.: 1 patents #124 of 311Top 40%
JGJgc: 1 patents #137 of 393Top 35%
MLM & G Partners, Llp: 1 patents #4 of 19Top 25%
NCNihon Kaiheiki Industrial Company: 1 patents #5 of 20Top 25%
ACArgus Chemical: 1 patents #32 of 56Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TITakeda Chemical Industries: 1 patents #745 of 1,420Top 55%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
Sony: 1 patents #17,262 of 25,231Top 70%
Hatsukaichi, CA: #1 of 1 inventorsTop 100%
Overall (All Time): #18,419 of 4,157,543Top 1%
89 Patents All Time

Issued Patents All Time

Showing 51–75 of 89 patents

Patent #TitleCo-InventorsDate
5508461 Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same Noritsugu Yamasaki, Yoshinori Kobayashi, Kiyoshi Ikura 1996-04-16
5506151 Non-specific reaction suppressor Satoshi Sugawa, Atsushi Yanagida 1996-04-09
5486479 Buffer for immunoassay, kit including same and immunoassay method using said buffer Satoshi Sugawa, Atsushi Yanagida 1996-01-23
5463473 Siphen for correcting a pulse-width modulated signal in a recording apparatus Hiromichi Yamada, Masaharu Ohkubo, Masaki Ojima, Hiroshi Sasame, Takashi Kawana +4 more 1995-10-31
5457052 Process for the preparation of optically active 3-chloro-1-phenyl-propanol by a lipase catalyzed hydrolysis Sadao Tsuboi, Masayuki Negoro, Masanori Udaka, Yoshinori Kobayashi 1995-10-10
5403143 Automatic guided vehicle with movable hook unit 1995-04-04
5356812 Processes for production of optically active 3-phenyl-1,3-propanediol by asymmetric assimilation Akinobu Matsuyama, Yoshinori Kobayashi, Naoki Kawada 1994-10-18
5346352 Freight moving apparatus in carrier vehicle 1994-09-13
5322155 Method and apparatus for supplying parts 1994-06-21
5277410 Upper support for suspension system having two outer rigid members, and method of manufacturing the same Tsukasa Oshima 1994-01-11
5263692 Fluid-filled cylindrical elastic mount having axially extending legs for limiting axial spacing between axially opposed intermediate support members 1993-11-23
5202269 Method for immunochemical determination of hapten Minoru Ogura, Hideki Kohno 1993-04-13
5176369 Fluid-filled cylindrical elastic mount having rigid protrusion axially defining fluid chamber 1993-01-05
5171552 Dry processes for treating combustion exhaust gas Yoshimasa Miura, Etsuo Ogino, Toshio Hama, Shigenori Onitsuka, Michio Ishida +2 more 1992-12-15
5142138 Image reader including plural light stopping plates with apertures Koichi Yonezawa 1992-08-25
5124802 Electrostatic lasar printer with a short side length of a modulation area formed by pulse width modulation set relative to a detected toner particle size Masaharu Ohkubo, Masaki Ojima, Hiromichi Yamada, Hiroshi Sasame, Kaoru Seto +5 more 1992-06-23
5114305 Apparatus for storing slide fastener sliders Shunji Akashi, Kazuki Kuse 1992-05-19
5071005 Multi-carrier drill bit container David T. Hemmings 1991-12-10
5059113 Injection molding apparatus Hiroshi Yoshida 1991-10-22
5024461 Upper support for shock absorber in suspension system, having elastically supported resonance member Shinji Miyakawa 1991-06-18
4854041 Method of manufacturing a switch base Akira Saito, Teisuke Nukada 1989-08-08
4732565 Electric connector Eiji Matsuda, Tetsuya Kaneko 1988-03-22
4687283 Scanning optical system Yukimasa Shinohara, Nobuhiro Imai 1987-08-18
4677015 Transfer sheet Kiyoshi Kambayashi, Junichi Takezawa 1987-06-30
4674865 Cleaning device Hideki Tada, Kazuki Tanaka, Nobuyuki Kume, Tetsuya Takei, Hiroki Kisu 1987-06-23