Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310070 | Purine derivatives and medicinal use thereof | Sumitsugu Kisanuki, Yoshikazu Matsuda, Junko Matsui, Yoshiaki Isobe | 2001-10-30 |
| 5137653 | Alkanoyl ester compounds and their intermediates and method of producing the same | Toshihiro Hirai, Atsushi Yoshizawa, Isa Nishiyama, Mitsuo Fukumasa, Nobuyuki Shiratori | 1992-08-11 |
| 5098602 | Novel halogen-containing ester compounds, and their intermediates, and method of producing the same as well as liquid crystal compositions containing the same and light switching elements | Toshihiro Hirai, Atsushi Yoshizawa, Isa Nishiyama, Mitsuo Fukumasa, Nobuyuki Shiratori | 1992-03-24 |
| 4970023 | Biphenyl compounds, method of producing the same as well as liquid crystal compositions and light switch elements each containing the same | Toshihiro Hirai, Atsushi Yoshizawa, Isa Nishiyama, Mitsuo Fukumasa, Nobuyuki Shiratori | 1990-11-13 |