Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7015184 | Cleaning solution, and method and apparatus for cleaning using the same | Tetsuya Yoneda, Shin-ichi Ohhori, Yasutake Sumida | 2006-03-21 |
| 6778574 | Semiconductor laser device and its manufacturing method, and optical communication system and optical sensor system | Atsushi Shimonaka, Hidenori Kawanishi | 2004-08-17 |
| 6479745 | Dye-sensitized solar cell and method of manufacturing the same | Ryosuke Yamanaka, Liyuan Han | 2002-11-12 |
| 5919532 | Active matrix substrate, method for fabricating the same, and liquid crystal display device | Takashi Sato, Yoshihiro Izumi | 1999-07-06 |
| 5908721 | Using light-shading colored ink capable of changing from hydrophilic to hydrophobic | Yoshihiro Izumi, Liyuan Han | 1999-06-01 |
| 5792568 | Organic electroluminescent element | Ichiro Fujii | 1998-08-11 |
| 5501930 | Electrophotographic photoreceptor containing enamine derivative | Akihiro Kondo, Kiyofumi Morimoto | 1996-03-26 |
| 5492786 | Electrophotographic photoreceptor | Hiroshi Sugimura, Satoshi Katayama, Kazushige Morita, Yoshimi Kojima, Yoshimasa Fujita +1 more | 1996-02-20 |
| 5489496 | Electrophotographic photoconductor and a method for forming the same | Satoshi Katayama, Satoshi Nishigaki, Hiroshi Sugimura, Kazushige Morita, Yoshimi Kojima +1 more | 1996-02-06 |
| 5393636 | Process for producing toner for the development of an electric image | Jun Sugita, Kazushige Morita, Satoshi Katayama, Hiroshi Sugimura, Satoshi Nishigaki | 1995-02-28 |
| 5389479 | Electrophotographic photoconductors containing a bis-enamine compound | Kiyofumi Morimoto, Akihiro Kondo, Satoshi Machino, Akiko Masuda | 1995-02-14 |
| 5283132 | Organic electroluminescent device for white luminescence | Takashi Ogura, Takuo Yamashita, Masaru Yoshida, Shigeo Nakajima | 1994-02-01 |
| 5089366 | Novel hydrazone compound in an electrophotographic receptor | Kozo Haino, Akira Itoh, Makoto Okaji, Tatsuya Kodera, Kazuchiyo Takaoka | 1992-02-18 |
| 5041349 | Electrophotographic disazo photoreceptor | Kozo Haino, Akira Itoh, Makoto Okaji | 1991-08-20 |
| 5013623 | Electrophotographic photoreceptor with stilbene compound | Akira Itoh, Kozo Haino, Makoto Okaji, Tatsuya Kodera | 1991-05-07 |
| 4999269 | Electrophotographic photoreceptor with bisazo compound | Kozo Haino, Akira Itoh, Makoto Okaji | 1991-03-12 |
| 4913997 | Disazo electrophotographic photoreceptor | Kozo Haino | 1990-04-03 |
| 4702983 | Electrophotographic photoreceptor comprising bis-azo pigment | Kozo Haino, Akira Itoh | 1987-10-27 |
| 4687721 | Electrophotographic photoreceptor containing a trisazo compound | Akira Itoh, Kozo Haino | 1987-08-18 |
| 4631242 | Bisazo electrophotographic sensitive materials with --CF.sub.3 group | Kozo Haino, Akira Itoh | 1986-12-23 |
| 4600674 | Trisazo electrophotographic photoconductive material | Akira Itoh | 1986-07-15 |
| 4567126 | Hydrazone photoconductive materials for electrophotography | Kozo Haino | 1986-01-28 |
| 4387149 | Electrophotographic sensitive material having a dye sensitizer containing a carbonium atom | Kiyoshi Futaki | 1983-06-07 |
| 4310613 | Liquid processing composition for silver complex diffusion transfer process | Shigeru Iguchi | 1982-01-12 |