Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508570 | Aqueous ink for ink-jet printing | Tadashi Fujii, Tomoyuki Yamaguchi, Kakuji Murakami, Hiroko Uenozono | 1985-04-02 |
| 4338388 | Electrophotographic element with a phenyhydrazone charge transport layer | Kiyoshi Sakai, Mitsuru Hashimoto | 1982-07-06 |
| 4325871 | Ortho-Bis (2-substituted azostyryl) benzene compounds | Masaomi Sasaki, Mitsuru Hashimoto | 1982-04-20 |
| 4297426 | Electrophotographic element with carbazole hydrazone or anile charge transport compounds | Kiyoshi Sakai, Mitsuru Hashimoto | 1981-10-27 |
| 4268596 | Electrophotographic element having 1,4-bis(azostyryl)-2,5 dimethoxy benzene compounds as photoconductors | Masaomi Sasaki, Mitsuru Hashimoto | 1981-05-19 |
| 4247614 | Electrophotographic element containing a disazo pigment | Masafumi Ohta, Kiyoshi Sakai, Mitsuru Hashimoto, Masaomi Sasaki | 1981-01-27 |