Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
IK

Isao Karube — 34 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
Hitachi: 5 patents #7,560 of 28,497Top 30%
ACAjinomoto Co.: 4 patents #463 of 2,190Top 25%
ACAkebono Brake Industry Co.: 4 patents #50 of 376Top 15%
KIKatayanagi Institute: 4 patents #1 of 15Top 7%
Dai Nippon Printing Co.: 3 patents #744 of 2,222Top 35%
ACAkebono Research And Development Centre: 3 patents #11 of 79Top 15%
TCToppan Printing Co.: 2 patents #414 of 1,467Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SESeiko Instruments & Electronics: 2 patents #33 of 164Top 25%
YEYokogawa Electric: 1 patents #658 of 1,441Top 50%
SISeiko Instruments: 1 patents #836 of 1,437Top 60%
HCHitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
HPHokuriku Electric Power: 1 patents #11 of 52Top 25%
KCKyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
NCNishikawa Rubber Co.: 1 patents #121 of 246Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Tachikawa, JP: #14 of 482 inventorsTop 3%
Overall (All Time): #100,737 of 4,157,543Top 3%
34 Patents All Time
Isao Karube has been granted 34 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in October 2020. Isao Karube ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Isao Karube in Tachikawa, JP.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10817962 Farm field management apparatus, farm field management method, and storage medium Naohiro Furukawa 2020-10-27
8711936 Method of and apparatus for recording motion picture, which generate encoded data with higher compression efficiency using a motion vector similarity Hiroaki Ito, Tomokazu Murakami, Masashi Takahashi, Yuto Komatsu 2014-04-29
8379724 Image coding apparatus and image coding method Hiroaki Ito, Tomokazu Murakami, Taku Nakamura, Yusuke Yatabe 2013-02-19
8282813 Biosensor measurement machine, biosensor measurement system and biosensor measurement method Shingo Kaimori, Toshifumi Hosoya, Moriyasu Ichino, Takahiko Kitamura, Masao Gotoh +2 more 2012-10-09
8221604 Method for controlling substance transfer Kazuyoshi Yano, Atsunori Hiratsuka, Shuo-Wen Tsai 2012-07-17
8012430 Methods for producing microchannel chips, microchannel chips, methods for separating biomolecules using the microchannel chips, and electrophoretic apparatus having the microchannel chips Kenji Yokoyama, Satoshi Koide, Koji Sakairi, Kazuyoshi Yano 2011-09-06
7964077 Automated two-dimensional electrophoresis apparatus and instrument constituting the apparatus Yuji Maruo, Katsuyoshi Takahashi, Yutaka Unuma, Keisuke Usui, Hideki Kinoshita +12 more 2011-06-21
7965768 Video signal encoding apparatus and computer readable medium with quantization control Hiroaki Ito, Tomokazu Murakami, Masaru Takahashi, Daisuke Yoshida 2011-06-21 $137,000
7953154 Image coding device and image coding method Tomokazu Murakami, Hiroaki Ito 2011-05-31 $122,000
7835543 Object detection method Tomoaki Yoshinaga, Shigeki Nagaya 2010-11-16 $108,000
7514002 Method for removing phosphorus and method for reutilizing recovered phosphorus Keiichi Betsumori, Takashi Matsubara, Hiroshi Saiki 2009-04-07
7303867 Method for detecting target nucleotide sequences Teru Kato 2007-12-04
D548347 Device for measuring constituents in the blood Moriyasu Ichino, Toshifumi Hosoya, Kazuhiro Kuwa, Nobuyuki Matsumura, Masao Gotoh +2 more 2007-08-07
7087149 Biosensor Hitoshi Muguruma, Atsunori Hiratsuka 2006-08-08
6753171 Site-specific cell perforation technique Takashi Saitoh 2004-06-22
6627397 Measuring chip for surface plasmon resonance biosensor and method for producing the same Runa Nakamura, Hiroyuki Nakamura, Ryohei Nagata, Hitoshi Muguruma 2003-09-30
6537800 Apparatus for automatically measuring minute membrane potential Takashi Saitoh 2003-03-25
6500679 Fluorescence-enhanced chip Takuo Akimoto, Takeo Tanaami, Kazunori Ikebukuro, Kazuyoshi Yano 2002-12-31
6391546 Method for detecting target nucleotide sequence Shinya Sawata, Ryohei Nagata 2002-05-21
6329142 Assay of nucleic acid by fluorescence polarization technique and detection of verotoxin-producing microorganisms Makoto Tsuruoka 2001-12-11
6113762 Microbial electrode and microbial sensor Kiyoko YANO, Nobuyuki Yoshida, Takashi Morita 2000-09-05
5804047 Enzyme-immobilized electrode, composition for preparation of the same and electrically conductive enzyme Susan Clark, Ryohei Nagata 1998-09-08
5580762 Method of producing an oligosaccharide of a higher polymerization degree Takashi Morita 1996-12-03
5556775 Method of producing .beta.-cyclodextrin Nobuyuki Yoshida 1996-09-17
5262310 Enzymatic decomposition method of chitin-containing materials Takashi Morita 1993-11-16