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USPTO Patent Rankings Data through Dec 31, 2025
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Yukio Hamaguchi — 14 Patents

SYSysmex: 8 patents #85 of 868Top 10%
TCToa Medical Electronics Co.: 3 patents #26 of 118Top 25%
Ise, JP: #9 of 161 inventorsTop 6%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Yukio Hamaguchi has been granted 14 US patents while listed as an inventor at Sysmex. The first was granted in 1992 and the most recent in March 2016. Yukio Hamaguchi ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Yukio Hamaguchi in Ise, JP.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9271482 Fish shaped lure for trolling 2016-03-01
7049093 Method of classifying and counting nucleated bone marrow cells Tomohiro Tsuji, Yusuke Mori, Takashi Sakata 2006-05-23
RE39006 Method of detecting hematopoietic progenitor cells Berend Houwen, Yukio Tsujino, Takashi Morikawa, Yoshiro Ikeuchi, Fu-Sheng Wang +1 more 2006-03-07
6911313 Process for discriminating and counting erythroblasts Berend Houwen, Fu-Sheng Wang, Tomohiro Tsuji, Takashi Sakata 2005-06-28
6900023 Method for classifying and counting leukocytes Berend Houwen, Fu-Sheng Wang, Hiroyuki Fujimoto, Takashi Sakata 2005-05-31
RE38131 Reagent for measurement of leukocytes and hemoglobin concentration in blood Kinya Uchihashi, Yoshiro Ikeuchi, Atsushi Shirakami 2003-06-03
6472168 Process for counting sperms and reagent therefor Teruya Matsumoto, Hiroshi Okada 2002-10-29
6225124 Diluting reagent and method compelling time-independent consistency in MCV assay Berend Houwen, Kinya Uchihashi, Rolf Mast 2001-05-01
5968832 Reagent for measurement of leukocytes and hemoglobin concentration in blood Kinya Uchihashi, Yoshiro Ikeuchi, Atsushi Shirakami 1999-10-19
5830701 Method of detecting hematopoietic progenitor cells Berend Houwen, Yukio Tsujino, Takashi Morikawa, Yoshiro Ikeuchi 1998-11-03
5413938 Reagent for measuring immature leukocytes Yukio Tsujino, Takashi Morikawa 1995-05-09
5389549 Method for classifying leukocytes and a reagent used therefor Kenji Ito, Yukio Tsujino, Kazuhiro Moriyama, Ikuya Takenaka, Takashi Morikawa +1 more 1995-02-14
5250437 Reagent for simultaneous determination of hemoglobin and leukocytes in blood Syouzou Toda, Takashi Sakata 1993-10-05
5116539 Reagent and method for measuring leukocytes and hemoglobin in blood Yukio Tsujino 1992-05-26