Issued Patents All Time
Showing 76–100 of 124 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7060783 | Diamine compound polymer having condensed aromatic group | Mieko Seki, Hirohito Yoneyama, Daisuke Okuda, Hidekazu Hirose, Tadayoshi Ozaki +4 more | 2006-06-13 |
| 6936679 | Charge-transporting polymer | Mieko Seki, Hirohito Yoneyama, Daisuke Okuda, Hidekazu Hirose, Tadayoshi Ozaki +3 more | 2005-08-30 |
| 6872476 | Organic electro-luminescent device | Tadayoshi Ozaki, Mieko Seki, Hirohito Yoneyama, Daisuke Okuda, Hidekazu Hirose +3 more | 2005-03-29 |
| 6670052 | Organic light emitting diode | Hidekazu Hirose, Daisuke Okuda, Hirohito Yoneyama, Mieko Seki, Kiyokazu Mashimo +1 more | 2003-12-30 |
| 6653701 | Semiconductor device and production method thereof | Yoshihisa Yamazaki, Yoshiyuki Ono, Hokuto Takada, Akira Imai, Hidekazu Hirose | 2003-11-25 |
| 6652995 | Organic electroluminescence device | Mieko Seki, Daisuke Okuda, Hirohito Yoneyama, Hidekazu Hirose, Kiyokazu Mashimo +1 more | 2003-11-25 |
| 6284365 | Composite material and method for producing the same | Hidekazu Hirose, Yoshiyuki Ono, Akira Imai | 2001-09-04 |
| 6252156 | Photosensitive semiconductor electrode, method of manufacturing photosensitive semiconductor electrode, and photoelectric converter using photosensitive semiconductor | Yoshiyuki Ono, Hidekazu Hirose, Akira Imai | 2001-06-26 |
| 6153824 | Photo-semiconductive electrode and photo-electic cell using the same | Hokuto Takada, Hidekazu Hirose, Yoshiyuki Ono, Akira Imai | 2000-11-28 |
| 6140404 | Non-linear optical material and process for the preparation thereof | Yoshiyuki Ono | 2000-10-31 |
| 6045856 | Process for producing a resistive element by diffusing glass | Kaoru Torikoshi, Hiroyuki Tanaka, Fumiaki Tambo, Yutaka Akasaki | 2000-04-04 |
| 6034351 | Cleaning apparatus for welding torch nozzle and method of cleaning the same | Hiroyuki Izumi, Motoaki Maruyama, Toshiya Hayashida, Yusuke Harayama, Kenji Yoshida +1 more | 2000-03-07 |
| 6028265 | Optical semiconductor electrode, photoelectric converting device, and photoelectric conversion method | Yoshiyuki Ono, Akira Imai, Hidekazu Hirose | 2000-02-22 |
| 5963360 | Nonlinear optical element and process for the preparation of same | Yoshiyuki Ono, Shigetoshi Nakamura | 1999-10-05 |
| 5955528 | Polymeric composite material and process for manufacturing the same | Yoshiyuki Ono | 1999-09-21 |
| 5824240 | Nonlinear optical element and process for the preparation of same | Yoshiyuki Ono, Shigetoshi Nakamura | 1998-10-20 |
| 5747206 | Electrophotographic photoreceptor | Takeshi Agata, Akira Imai, Yasuo Yamamoto, Yutaka Sugizaki | 1998-05-05 |
| 5734003 | Charge transporting polymer, process for producing the same, and organic electronic device containing the same | Masahiro Iwasaki, Akira Imai, Katsumi Nukada | 1998-03-31 |
| 5725982 | Photoconductor for electrophotography | Sumitaka Nogami, Michihiro Kitazawa | 1998-03-10 |
| 5717500 | Image input device and method | Osamu Ikeda | 1998-02-10 |
| 5700613 | Photoconductor for electrophotography | Sumitaka Nogami, Michihiro Kitazawa | 1997-12-23 |
| 5698355 | Photosensitive body for electrophotography | Akira Imai, Takeshi Agata, Yasuo Yamamoto, Yutaka Sugizaki | 1997-12-16 |
| 5639581 | Charge transporting polymer, process for producing the same, and organic electronic device containing the same | Masahiro Iwasaki, Akira Imai, Katsumi Nukada | 1997-06-17 |
| 5618646 | Electrophotographic photoreceptors with anti-oxidizing agents | Sumitaka Nogami, Michihiro Kitazawa, Yoshimasa Tomiuchi | 1997-04-08 |
| 5595847 | Photoconductor having a cured layer of an amino resin-phenol resin copolycondensate | Sumitaka Nogami, Michihiro Kitazawa | 1997-01-21 |