RH

Ryoichi Higuchi

AC Ajinomoto Co.: 10 patents #146 of 2,190Top 7%
NA Nabtesco: 1 patents #159 of 320Top 50%
Overall (All Time): #460,862 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9685838 Electromechanical actuator Masayoshi Ueyama 2017-06-20
5100579 Polyphenyl-based ester compounds and liquid crystal compositions containing same Takao Sakurai, Tatsuru Tabohashi, Naoko Mikami, Kiriko Akaiwa, Eri Yamamoto +1 more 1992-03-31
4911861 Polyphenyl-based ester compounds and liquid crystal compositions containing same Takao Sakurai, Tatsuru Tabohashi, Naoko Mikami, Kiriko Akaiwa, Eri Yamamoto +1 more 1990-03-27
4892676 Phenyl pyrimidine compound and liquid crystalline composition Takao Sakurai, Tadahiko Yokota, Eri Komatsu, Naoko Mikami, Koji Takeuchi 1990-01-09
4880561 Optically active compound and liquid crystalline composition Tatsuru Tabohashi, Takao Sakurai, Naoko Mikami, Eri Yamamoto, Koji Takeuchi 1989-11-14
4874542 Phenyl-pyrimidine liquid crystal compounds and liquid crystal compositions containing the same Takao Sakurai, Tadahiko Yokota, Naoko Mikami, Eri Yamamoto, Koji Takeuchi 1989-10-17
4831182 Biphenyl-based diester compounds and liquid crystal compositions containing same Takao Sakurai, Naoko Mikami, Kiriko Akaiwa, Koji Takeuchi 1989-05-16
4732699 Biphenyl carbonic acid ester compounds and liquid crystal composition containing the same Takao Sakurai, Naoko Mikami, Kiriko Akaiwa, Koji Takeuchi 1988-03-22
4728458 Polyphenyl-based ester compounds and liquid crystal compositions containing same Takao Sakurai, Tatsuru Tabohashi, Naoko Mikami, Kiriko Akaiwa, Eri Yamamoto +1 more 1988-03-01
4695651 Biphenyl-based diester compounds and liquid crystal compositions containing same Takao Sakurai, Naoko Mikami, Kiriko Akaiwa, Koji Takeuchi 1987-09-22
4592858 Smectic liquid crystal compound and liquid crystal compositions Masao Honma, Takao Sakurai, Naoko Mikami 1986-06-03