HW

Hisao Watanabe

MK Mitsubishi Kasei: 4 patents #77 of 911Top 9%
MC Mitsubishi Chemical: 3 patents #118 of 716Top 20%
NC Nippon Shinyaku Co.: 2 patents #80 of 237Top 35%
TC Takara Shuzo Co.: 1 patents #138 of 264Top 55%
Overall (All Time): #592,186 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5110342 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient Tetsuo Jikihara, Toyohiko Shike, Manabu Katsurada, Osamu Ikeda 1992-05-05
5076830 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient Tetsuo Jikihara, Toyohiko Shike, Manabu Katsurada, Osamu Ikeda 1991-12-31
4971620 Sulfonamide and herbicide containing the same as active ingredient Tetsuo Jikihara, Manabu Katsurada, Toyohiko Shike, Osamu Ikeda, Tetsuo Takematsu +1 more 1990-11-20
4959092 Substituted phenyl (or pyridyl) urea compound and herbicidal composition containing the same as active ingredient Hiroki Ohta, Katsutoshi Sato, Susumu Matsumoto, Kazuo Ishii, Yumiko Miura +3 more 1990-09-25
4705554 Benzofuranyloxyphenylurea derivative and herbicidal composition containing it as an active ingredient Susumu Matsumoto, Shigeru Suzuki, Hiroshi Hanabe 1987-11-10
4536209 N-(3-substituted oxyphenyl)tetrahydrophthalimides and herbicidal composition Tetsuo Jikihara, Masatsugu Oda, Bunji Natsume, Seiichi Suzuki 1985-08-20
4426381 Carboxylic acid derivatives Shingo Matsumura, Masahiro Kise, Masakuni Ozaki, Shinichi Tada, Kenji Kazuno +2 more 1984-01-17
4420327 Tetrahydrophthalimides and herbicidal composition Tetsuo Jikihara, Masatsugu Oda, Kazuyuki Ushinohama, Seiichi Suzuki 1983-12-13
4211866 Acyl derivatives of 2-[3-(2-chloroethyl)-3-nitrosoureido]-2-deoxy-D-glucopyranose Shingo Matsumura, Masakuni Ozaki, Hiroyuki Kuroda, Teruya Nakamura, Akira Obayashi 1980-07-08