Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Yousuke Tanaka — 29 Patents

SYSysmex: 13 patents #38 of 868Top 5%
Hitachi: 10 patents #4,206 of 28,497Top 15%
HCHitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
ILIsuzu Motors Limited: 1 patents #414 of 908Top 50%
NUNational University: 1 patents #4 of 70Top 6%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SCSumitomo Construction Machinery Co.: 1 patents #46 of 89Top 55%
FAFanuc: 1 patents #1,202 of 1,735Top 70%
HEHitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #130,085 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6570800 High speed clock synchronous semiconductor memory in which the column address strobe signal is varied in accordance with a clock signal Masahiro Katayama, Yuji Yokoyama, Hiroshi Akasaki, Shuichi Miyaoka, Toru Kobayashi 2003-05-27
6183697 Particle measuring apparatus Masakazu Fukuda, Junzo Yamamoto 2001-02-06
5905685 Dynamic memory Masayuki Nakamura, Masatoshi Hasegawa, Seiji Narui, Shinichi Miyatake, Shuichi Kubouchi +1 more 1999-05-18
D346462 Combined electric shaver and trimmer Kazuo Takada 1994-04-26