Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319069 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Masaomi Sasaki, Tomoyuki Shimada | 1994-06-07 |
| 5312707 | Electrophotographic photoconductor and diamine compounds for use in the same | Masafumi Ota, Masaomi Sasaki, Tomoyuki Shimada, Mitsutoshi Anzai, Masaki Okubo | 1994-05-17 |
| 5298661 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki | 1994-03-29 |
| 5268246 | Electrophotographic photoconductor with pyrene-ring-containing olefin compound for use in the same | Masaomi Sasaki, Tomoyuki Shimada, Hiroshi Adachi | 1993-12-07 |
| 5250733 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Masaomi Sasaki, Mitsuru Hashimoto | 1993-10-05 |
| 5248826 | Polyether amine compounds | Masaomi Sasaki, Tomoyuki Shimada | 1993-09-28 |
| 5233090 | [2,2]paracyclophane compounds for use in electrophotographic photoconductors | Tomoyuki Shimada, Masaomi Sasaki | 1993-08-03 |
| 5219692 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same | Tomoyuki Shimada, Masaomi Sasaki | 1993-06-15 |
| 5158850 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Masaomi Sasaki, Tomoyuki Shimada | 1992-10-27 |
| 5098807 | Electrophotographic photoconductors and [2,2]paracyclophane compounds for use in the same | Tomoyuki Shimada, Masaomi Sasaki | 1992-03-24 |
| 5059708 | Pyrene-ring-containing olefin compound, intermediate for synthesizing the olefin compound and method of synthesizing the olefin comopund | Masaomi Sasaki, Tomoyuki Shimada, Hiroshi Adachi | 1991-10-22 |
| 5047590 | Dinitro compounds, diamino compounds and triamine compounds and preparation methods thereof | Tomoyuki Shimada, Masaomi Sasaki | 1991-09-10 |
| 4992350 | Biphenyl compounds and electrophotographic photoconductor comprising the same | Masaomi Sasaki, Tomoyuki Shimada | 1991-02-12 |
| 4959290 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Masaomi Sasaki, Mitsuru Hashimoto | 1990-09-25 |
| 4957838 | Electrophotographic photoconductor and triphenylamine compounds for use in the same | Masaomi Sasaki, Tomoyuki Shimada | 1990-09-18 |
| 4898800 | Aminobiphenyl charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki, Mitsuru Hashimoto | 1990-02-06 |
| RE33155 | Aqueous ink for ink jet printing | Eiichi Akutsu, Kakuji Murakami | 1990-01-30 |
| 4793860 | Aqueous ink composition | Kakuji Murakami, Masaru Shimada, Hiroyuki Uemura, Kiyofumi Nagai | 1988-12-27 |
| 4740420 | Recording medium for ink-jet printing | Eiichi Akutsu, Tadashi Fujii, Kakuji Murakami | 1988-04-26 |
| 4737190 | Aqueous ink composition for ink-jet recording | Masaru Shimada, Toshiyuki Kawanishi, Kakuji Murakami, Hiroyuki Uemura | 1988-04-12 |
| 4713113 | Aqueous ink composition for ink-jet recording | Masaru Shimada, Toshiyuki Kawanishi, Kakuji Murakami, Hiroyuki Uemura | 1987-12-15 |
| 4711668 | Aqueous ink composition | Masaru Shimada, Toshiyuki Kawanishi, Kakuji Murakami, Hiroyuki Uemura, Kiyofumi Nagai | 1987-12-08 |
| 4680235 | Recording material for ink jet printing | Kakuji Murakami, Eiichi Akutsu | 1987-07-14 |
| 4647310 | Aqueous ink composition for ink jet-recording | Masaru Shimada, Toshiyuki Kawanishi, Kakuji Murakami, Hiroyuki Uemura, Kiyofumi Nagai | 1987-03-03 |
| 4631085 | Aqueous ink composition for ink-jet recording | Toshiyuki Kawanishi, Masaru Shimada, Kakuji Murakami, Hiroyuki Uemura | 1986-12-23 |