Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292896 | Amino styrene derivatives | Masaomi Sasaki | 1994-03-08 |
| 5234623 | Optically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the same | — | 1993-08-10 |
| 5227512 | Stilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compound | — | 1993-07-13 |
| 5159084 | Optically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the same | — | 1992-10-27 |
| 5072043 | Styrene derivatives and electrophotographic photoconductor comprising one of the styrene derivatives | Masaomi Sasaki | 1991-12-10 |
| 4992109 | Photoelectric conversion element | Masao Yoshikawa, Tetsuro Suzuki, Akio Kojima, Masafumi Ohta | 1991-02-12 |
| 4603097 | Styrene derivatives and electrophotographic photoconductor comprising one of the styrene derivatives | Masaomi Sasaki | 1986-07-29 |
| 4567124 | Electrophotographic element with trisazo photoconductor and an amine substituted charge transfer material | Masafumi Ohta, Masaomi Sasaki | 1986-01-28 |
| 4444844 | Thermosensitive recording material | Keishi Kubo | 1984-04-24 |