Issued Patents All Time
Showing 101–125 of 163 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250733 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Tamotsu Aruga, Mitsuru Hashimoto | 1993-10-05 |
| 5248826 | Polyether amine compounds | Tamotsu Aruga, Tomoyuki Shimada | 1993-09-28 |
| 5233090 | [2,2]paracyclophane compounds for use in electrophotographic photoconductors | Tomoyuki Shimada, Tamotsu Aruga | 1993-08-03 |
| 5219692 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same | Tomoyuki Shimada, Tamotsu Aruga | 1993-06-15 |
| 5166438 | 1,3-pentadiene derivatives and electrophotographic photoconductor using the same | Mitsuru Hashimoto, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1992-11-24 |
| 5158850 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Tamotsu Aruga, Tomoyuki Shimada | 1992-10-27 |
| 5159087 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Tomoyuki Shimada, Mitsuru Hashimoto | 1992-10-27 |
| 5098807 | Electrophotographic photoconductors and [2,2]paracyclophane compounds for use in the same | Tomoyuki Shimada, Tamotsu Aruga | 1992-03-24 |
| 5097022 | Bisazo pigments for use in electrophotographic photoconductors | Tomoyuki Shimada, Mitsuru Hashimoto | 1992-03-17 |
| 5081233 | Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds | Tomoyuki Shimada | 1992-01-14 |
| 5072043 | Styrene derivatives and electrophotographic photoconductor comprising one of the styrene derivatives | Masayuki Shoshi | 1991-12-10 |
| 5072061 | 1,14-bis(4-nitrophenyl)-1,3,5,7,9,11,13-tetradecaheptaene and preparation method thereof | Tomoyuki Shimada, Mitsuru Hashimoto | 1991-12-10 |
| 5068350 | Polyolefin derivatives | Mitsuru Hashimoto, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1991-11-26 |
| 5059708 | Pyrene-ring-containing olefin compound, intermediate for synthesizing the olefin compound and method of synthesizing the olefin comopund | Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1991-10-22 |
| 5047590 | Dinitro compounds, diamino compounds and triamine compounds and preparation methods thereof | Tomoyuki Shimada, Tamotsu Aruga | 1991-09-10 |
| 4996362 | 5-[(4-N,N-ditolylamino)benzyl]-5H-dibenzo[a,d]-cycloheptane derivatives | Tomotsu Aruga | 1991-02-26 |
| 4992350 | Biphenyl compounds and electrophotographic photoconductor comprising the same | Tamotsu Aruga, Tomoyuki Shimada | 1991-02-12 |
| 4965157 | Electrophotographic photoconductor and polyolefin derivatives employed in the same photoconductor | Mitsuru Hashimoto, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1990-10-23 |
| 4959290 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Tamotsu Aruga, Mitsuru Hashimoto | 1990-09-25 |
| 4957838 | Electrophotographic photoconductor and triphenylamine compounds for use in the same | Tamotsu Aruga, Tomoyuki Shimada | 1990-09-18 |
| 4931350 | Electrophotographic photoconductor having an arylalkylenearylamino photoconductor | Tomoyuki Shimada, Mitsuru Hashimoto | 1990-06-05 |
| 4916039 | Electrophotographic photoconductor | Mitsuru Hashimoto | 1990-04-10 |
| 4898800 | Aminobiphenyl charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Mitsuru Hashimoto, Tamotsu Aruga | 1990-02-06 |
| 4892949 | Stilbene derivatives | — | 1990-01-09 |
| 4886846 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Tomoyuki Shimada, Mitsuru Hashimoto | 1989-12-12 |