Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662201 | Modular arithmetic apparatus and method having high-speed base conversion function | — | 2003-12-09 |
| 6596449 | Electrophotographic photoreceptor, and process cartridge and electrophotographic image forming apparatus using the electrophotographic photoreceptor | Tomoyuki Shimada, Kazukiyo Nagai, Chiaki Tanaka, Michihiko Namba | 2003-07-22 |
| 6586368 | Condensed heterocylic compounds and herbicides containing them | Minoru Takano, Takashi Komori | 2003-07-01 |
| 6576386 | AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATION OF THE POLYCARBONATE RESIN, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS, AND PROCESS CARTRIDGE | Kohkoku Ri, Masaomi Sasaki, Kazukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2003-06-10 |
| 6548216 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE PHOTOCONDUCTOR, AND LONG-CHAIN ALKYL GROUP CONTAINING BISPHENOL COMPOUND AND POLYMER MADE THEREFROM | Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka, Michihiko Namba | 2003-04-15 |
| 6546104 | Montgomery reduction apparatus | Atsushi Shimbo | 2003-04-08 |
| 6492079 | Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor | Tomoyuki Shimada, Kazukiyo Nagai, Chiaki Tanaka, Michihiko Namba | 2002-12-10 |
| 6486293 | Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor | Kohkoku Ri, Masaomi Sasaki, Kazukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2002-11-26 |
| 6486046 | Method of forming polycrystalline semiconductor film | Takashi Fujimura | 2002-11-26 |
| 6482773 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Yuzuru Sanemitsu, Yoko Mine | 2002-11-19 |
| 6444387 | Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor | Kohkoku Ri, Masaomi Sasaki, Kazukiyo Nagai | 2002-09-03 |
| 6348628 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Yuzuru Sanemitsu, Yoko Mine | 2002-02-19 |
| 6303736 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor | Masaomi Sasaki, Kazukiyo Nagai, Chiaki Tanaka, Kohkoku Ri, Susumu Suzuka +1 more | 2001-10-16 |
| 6210848 | Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same | Kazukiyo Nagai, Tetsuro Suzuki, Masaomi Sasaki, Kohkoku Ri | 2001-04-03 |
| 6194535 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Tetsuro Suzuki +2 more | 2001-02-27 |
| 6187492 | Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor | Kohkoku Ri, Masaomi Sasaki, Kazukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2001-02-13 |
| 6187494 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor | Masaomi Sasaki, Kazukiyo Nagai, Chiaki Tanaka, Kohkoku Ri, Susumu Suzuka +1 more | 2001-02-13 |
| 6172176 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Masaomi Sasaki, Katsukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2001-01-09 |
| 6130310 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Susumu Suzuka +1 more | 2000-10-10 |
| 6099918 | Method of preparing a poly-crystalline silicon film | — | 2000-08-08 |
| 6096585 | Method of manufacturing thin film transistor | Kaichi FUKUDA, Tsutomu Uemoto, Hideo Hirayama, Shigetaka Toriyama | 2000-08-01 |
| 6090753 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Yuzuru Sanemitsu, Yoko Mine | 2000-07-18 |
| 6077953 | 6-alkoxycarbonylpyridazin-3-one compounds | — | 2000-06-20 |
| 6066428 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Tetsuro Suzuki +2 more | 2000-05-23 |
| 6045959 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Chiaki Tanaka, Susumu Suzuka +1 more | 2000-04-04 |