Issued Patents All Time
Showing 26–50 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616801 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki, Tamotsu Aruga | 1997-04-01 |
| 5499515 | Rotary vane-type compressor | Chuichi Kawamura, Ichiro Kasugai, Masahiro Ida | 1996-03-19 |
| 5462826 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki, Tamotsu Aruga | 1995-10-31 |
| 5459247 | Bisazo compounds useful as charge generating materials | — | 1995-10-17 |
| 5377899 | Method for producing solder that contains therein additive particles maintaining its shape | — | 1995-01-03 |
| 5370954 | Photoconductive composition containing trisazo and disazo compounds | Katsuichi Ohta, Masaomi Sasaki, Kazuya Ishida, Tomoyuki Shimada | 1994-12-06 |
| 5344735 | Bisazo electrophotographic photoconductor | Masaomi Sasaki, Tomoyuki Shimada | 1994-09-06 |
| 5317093 | Bisazo compounds useful as organic photoconductive materials | — | 1994-05-31 |
| 5260156 | 1,3-pentadiene derivatives and electrophotographic photoconductor using the same | Masaomi Sasaki, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1993-11-09 |
| 5252750 | Polyolefin amino derivatives | Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka, Masaomi Sasaki | 1993-10-12 |
| 5250377 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Tomoyuki Shimada, Masaomi Sasaki | 1993-10-05 |
| 5250733 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Tamotsu Aruga, Masaomi Sasaki | 1993-10-05 |
| 5166438 | 1,3-pentadiene derivatives and electrophotographic photoconductor using the same | Masaomi Sasaki, Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka | 1992-11-24 |
| 5159087 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Tomoyuki Shimada, Masaomi Sasaki | 1992-10-27 |
| 5118986 | Electroluminescent device | Teruyuki Ohnuma, Fumio Kawamura, Masafumi Ohta, Yohta Sakon, Toshihiko Takahashi | 1992-06-02 |
| 5097022 | Bisazo pigments for use in electrophotographic photoconductors | Masaomi Sasaki, Tomoyuki Shimada | 1992-03-17 |
| 5077142 | Electroluminescent devices | Yohta Sakon, Teruyuki Ohnuma, Shogo SAITO, Tetsuo Tsutsui, Chihaya Adachi | 1991-12-31 |
| 5072061 | 1,14-bis(4-nitrophenyl)-1,3,5,7,9,11,13-tetradecaheptaene and preparation method thereof | Masaomi Sasaki, Tomoyuki Shimada | 1991-12-10 |
| 5068350 | Polyolefin derivatives | Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka, Masaomi Sasaki | 1991-11-26 |
| 4965157 | Electrophotographic photoconductor and polyolefin derivatives employed in the same photoconductor | Tomoyuki Shimada, Nobuo Suzuki, Takayuki Sakai, Susumu Suzuka, Masaomi Sasaki | 1990-10-23 |
| 4959290 | Benzylideneindene compounds and electrophotographic photoconductor using the same | Tamotsu Aruga, Masaomi Sasaki | 1990-09-25 |
| 4931350 | Electrophotographic photoconductor having an arylalkylenearylamino photoconductor | Tomoyuki Shimada, Masaomi Sasaki | 1990-06-05 |
| 4925758 | Electrophotographic photoconductor | Nasaomi Sasaki | 1990-05-15 |
| 4916039 | Electrophotographic photoconductor | Masaomi Sasaki | 1990-04-10 |
| 4898800 | Aminobiphenyl charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki, Tamotsu Aruga | 1990-02-06 |