Issued Patents All Time
Showing 76–100 of 163 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480753 | Electrophotographic photoconductor comprising diamine compound | Tomoyuki Shimada, Chiaki Tanaka | 1996-01-02 |
| 5475137 | M-phenylenediamine derivatives | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1995-12-12 |
| 5474868 | Electrophotographic photoconductor with lignin | Hiroshi Adachi, Tamotsu Aruga | 1995-12-12 |
| 5462826 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Mitsuru Hashimoto, Tamotsu Aruga | 1995-10-31 |
| 5459275 | Pyrenylamine derivatives | Chiaki Tanaka, Tamotsu Aruga, Tomoyuki Shimida, Hiroshi Adachi | 1995-10-17 |
| 5457232 | Pyrenylamine derivatives having unsaturated bond | Chiaki Tanaka, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1995-10-10 |
| 5436100 | Electrophotographic photoconductor and M-phenylenediamine derivatives for use in the same | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1995-07-25 |
| 5434028 | Diamine compounds | Tomoyuki Shimada, Chiaki Tanaka | 1995-07-18 |
| 5420332 | Diamine compounds | Tomoyuki Shimada, Chiaki Tanaka | 1995-05-30 |
| 5403950 | Dipyrenylamine derivatives useful in electrophotographic photoconductors | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1995-04-04 |
| 5382692 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same | Tomoyuki Shimada, Tamotsu Aruga | 1995-01-17 |
| 5370954 | Photoconductive composition containing trisazo and disazo compounds | Katsuichi Ohta, Mitsuru Hashimoto, Kazuya Ishida, Tomoyuki Shimada | 1994-12-06 |
| 5356742 | Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1994-10-18 |
| 5344985 | Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond | Chiaki Tanaka, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1994-09-06 |
| 5344735 | Bisazo electrophotographic photoconductor | Tomoyuki Shimada, Mitsuru Hashimoto | 1994-09-06 |
| 5334470 | Electrophotographic element with M-phenylenediamine derivatives therein | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1994-08-02 |
| 5322753 | Electrophotographic photoconductor and acrylic acid ester polymer for use in the same | Hiroshi Tamura, Toshio Fukagai, Naoshi Mishima | 1994-06-21 |
| 5319069 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Tamotsu Aruga, Tomoyuki Shimada | 1994-06-07 |
| 5312707 | Electrophotographic photoconductor and diamine compounds for use in the same | Masafumi Ota, Tamotsu Aruga, Tomoyuki Shimada, Mitsutoshi Anzai, Masaki Okubo | 1994-05-17 |
| 5298661 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Tamotsu Aruga | 1994-03-29 |
| 5292896 | Amino styrene derivatives | Masayuki Shoshi | 1994-03-08 |
| 5268246 | Electrophotographic photoconductor with pyrene-ring-containing olefin compound for use in the same | Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1993-12-07 |
| 5260156 | 1,3-pentadiene derivatives and electrophotographic photoconductor using the same | Mitsuru Hashimoto, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1993-11-09 |
| 5252750 | Polyolefin amino derivatives | Mitsuru Hashimoto, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1993-10-12 |
| 5250377 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Tomoyuki Shimada, Mitsuru Hashimoto | 1993-10-05 |