TO

Tetsuo Ohkawa

KC Kumiai Chemical Industry Co.: 6 patents #46 of 284Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #651,145 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8883687 Herbicidal composition Toshihiro Ikeuchi 2014-11-11
8318635 Phytotoxicity controlling agent for upland farming and phytotoxicity controlling method using the same Toshihiro Ikeuchi, Shuji Ohno, Yoshihiro Yamaji, Yasunori Ogawa 2012-11-27
8114815 Herbicidal composition Toshihiro Ikeuchi 2012-02-14
8067337 Agricultural chemical composition Toshihiro Ikeuchi, Shuji Ohno, Hiroshi Kawasaki, Ryo Hanai, Yasunori Ogawa +1 more 2011-11-29
7829499 Granular pesticide preparation Hayase Yamashita, Kiyotoshi Nishiyama 2010-11-09
7638506 Granular agrochemical composition Eisuke Ozaki, Kazunori Kurita 2009-12-29
6648728 Polishing system Hiroyuki Kojima, Hidemi Sato 2003-11-18
6531399 Polishing method Hiroyuki Kojima, Hidemi Sato 2003-03-11