Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yousuke Tanaka — 29 Patents

SYSysmex: 13 patents #38 of 868Top 5%
Hitachi: 10 patents #4,209 of 28,497Top 15%
HCHitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
ILIsuzu Motors Limited: 1 patents #414 of 908Top 50%
FAFanuc: 1 patents #1,202 of 1,735Top 70%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SCSumitomo Construction Machinery Co.: 1 patents #46 of 89Top 55%
NUNational University: 1 patents #4 of 70Top 6%
HEHitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Kobe, JP: #196 of 5,515 inventorsTop 4%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Yousuke Tanaka has been granted 29 US patents while listed as an inventor at Sysmex. The first was granted in 1994 and the most recent in April 2023. Yousuke Tanaka ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Yousuke Tanaka in Kobe, JP.

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $120,000
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 $781,000
D346462 Combined electric shaver and trimmer Kazuo Takada 1994-04-26