HO

Hiroshi Ohyama

HC Hokko Chemical Industry Co.: 9 patents #1 of 157Top 1%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
Overall (All Time): #592,210 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5116838 Guanidine derivatives and fungicides for agriculture and horticulture containing the same Hiromichi Ishikawa, Takashi Umeda, Shinji Onoue, Kazuo Kajikawa, Toshihiro Shibata 1992-05-26
4822814 New 1,3-dithiol-2-ylidene-alkylsulfonylacetates and their uses Satoshi Hobara, Kazuyuki Tsujimoto, Shouji Tanaka 1989-04-18
4752326 1-arylpyrazoles, composition containing them, and herbicidal method of using them Toshiharu Ono, Takuro Shimozono, Teruhiko Terakawa 1988-06-21
4512989 1,2,4-Triazole derivatives and fungicidal composition containing the same Ken Morita, Takuo Wada, Masahiko Miyahara 1985-04-23
4447259 2-(Substituted phenoxy)propionic acid derivatives and their uses for herbicidal purposes Sanae Takada, Ken Morita, Saburo Yamamura 1984-05-08
4420486 Benzoxazolone derivatives, processes for preparation thereof and compositions containing them Kimiyoshi Kaneko, Hiromichi Ishikawa, Sanae Takada, Ken Morita, Takuo Wada +2 more 1983-12-13
4405743 Pyrazolylpyrimidine derivatives Tamio Nishimura, Yoshiko Miyamoto, Hiroshi Yamamura, Ken Morita, Kuniomi Matsumoto +1 more 1983-09-20
4391804 Imidazole derivatives and fungicidal composition containing the same Ken Morita, Takuo Wada, Masahiko Miyahara 1983-07-05
4255183 Substituted phenyl urea and herbicides for use in paddy field Sanae Takada, Yoshihisa Watanabe, Jyotaroh Tamura, Iwao Taketomi 1981-03-10