YY

Yoko Yamada

Canon: 39 patents #1,145 of 19,416Top 6%
YC Yamakawa Chemical Industry Co.: 1 patents #5 of 26Top 20%
Overall (All Time): #83,633 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
5143643 Optically active mesomorphic compound Takashi Iwaki, Kenji Shinjo, Akio Yoshida, Masataka Yamashita, Kazuharu Katagiri +3 more 1992-09-01
5126071 Optically active compound, process for producing same and liquid crystal composition containing same Hiroyuki Nohira, Masanao Kamei, Hideki Kanazawa, Tetsuya Abe, Yuko Etoh 1992-06-30
5118441 Mesomorphic compound, liquid crystal composition and liquid crystal device using same Shosei Mori, Takeshi Togano, Takao Takiguchi, Takashi Iwaki 1992-06-02
5116530 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same Takeshi Togano, Takao Takiguchi, Masanobu Asaoka, Kenji Shinjo 1992-05-26
5098600 Liquid crystal compound, liquid crystal composite including the compound and liquid crystal device utilizing the composite Shinichi Nakamura, Hiroyuki Nohira, Takao Takiguchi, Takashi Iwaki, Takeshi Togano 1992-03-24
5091109 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same Takao Takiguchi, Takashi Iwaki, Takeshi Togano, Shosei Mori, Shinichi Nakamura 1992-02-25
5076961 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same Shinichi Nakamura, Takao Takiguchi, Takashi Iwaki, Takeshi Togano, Shosei Mori 1991-12-31
5075030 Liquid crystal composition and liquid crystal device using same Takeshi Togano, Takao Takiguchi, Takashi Iwaki, Shinichi Nakamura, Shosei Mori 1991-12-24
5075031 Mesomorphic compound and liquid crystal composition containing the same Hiroyuki Nohira, Takashi Kimura, Kazushige Yamagishi 1991-12-24
5073306 Optically active compound and liquid crystal composition containing same Hiroyuki Nohira, Masanao Kamei, Hideki Kanazawa, Yuko Etoh 1991-12-17
4999130 Optically active compound, process for producing same and liquid crystal composition containing same Hiroyuki Nohira, Takashi Kimura, Tetsuya Abe, Kazuhige Yamagishi 1991-03-12
4917817 Optical active compound, process for producing same and liquid crystal composition containing same Hiroyuki Nohira, Masanao Kamei, Hideki Kanazawa, Tetsuya Abe, Yuko Etoh 1990-04-17
4918213 Optically active compound and liquid crystal composition containing same Hiroyuki Nohira, Masanao Kamei, Hideki Kanazawa, Yuko Etoh 1990-04-17
4904410 Mesomorphic compound and liquid crystal composition containing same Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Takashi Iwaki, Kazuharu Katagiri 1990-02-27