Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8915610 | Lighting device | Toshio Watanabe, Yusaku Kawabata | 2014-12-23 |
| 8889325 | Organic photoreceptor | Mari Konishi, Keiichi Inagaki | 2014-11-18 |
| 8807771 | Light source device and display device | Hideto Takeuchi, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata, Hiroshi Takahashi +6 more | 2014-08-19 |
| 8771910 | Electrophotographic photoreceptor | Hirofumi Hayata | 2014-07-08 |
| 8741500 | Fuel cell stack and fuel cell system | Hironori Kambara, Masashi Muraoka, Tomohisa Yoshie | 2014-06-03 |
| 8679711 | Electrophotographic photoreceptor | Morio Osada, Takeshi Ishida, Seisuke Maeda | 2014-03-25 |
| 8632200 | Light source device and display device | Hideto Takeuchi, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata, Hiroshi Takahashi +6 more | 2014-01-21 |
| 8557486 | Organic photoreceptor, manufacturing method of organic photoreceptor, and image forming apparatus | Takeshi Ishida, Hirofumi Hayata, Masahiko Kurachi, Seisuke Maeda, Seijiro Takahashi | 2013-10-15 |
| 8481233 | Organic photoreceptor, image forming apparatus and process cartridge | Hirofumi Hayata, Masahiko Kurachi, Kunihiro Ogura | 2013-07-09 |
| 8404417 | Organic photoreceptor, image forming apparatus and process cartridge | Hirofumi Hayata, Takeshi Ishida, Masahiko Kurachi, Seisuke Maeda, Seijiro Takahashi | 2013-03-26 |
| 8354212 | Electrophotographic photoreceptor, image forming apparatus, and method for image formation | Hirofumi Hayata, Takeshi Ishida, Masahiko Kurachi, Seisuke Maeda, Seijiro Takahashi | 2013-01-15 |
| 8318396 | Organic photoreceptor and preparation method thereof | Hirofumi Hayata, Takeshi Ishida, Masahiko Kurachi, Seisuke Maeda, Seijiro Takahashi | 2012-11-27 |
| 8298735 | Organic photoreceptor and manufacturing method thereof | Masahiko Kurachi, Takeshi Ishida, Seisuke Maeda, Seijiro Takahashi | 2012-10-30 |
| 8202675 | Electrophotographic photoreceptor, image forming apparatus, and process cartridge | Masahiko Kurachi, Hirofumi Hayata, Takeshi Ishida, Seisuke Maeda, Seijiro Takahashi | 2012-06-19 |
| 8163456 | Image forming method and image forming apparatus | Hirofumi Hayata, Masahiko Kurachi | 2012-04-24 |
| 8084172 | Organic photoreceptor, image forming apparatus, process cartridge, and color image forming apparatus | Masahiko Kurachi, Hirofumi Hayata | 2011-12-27 |
| 8071266 | Electrophotographic photoreceptor, and process cartridge and image forming apparatus employing the same | Kunihiro Ogura, Hirofumi Hayata, Masahiko Kurachi | 2011-12-06 |
| 7977021 | Electrophotographic toner, and image forming method and image forming apparatus employing the same | Hirofumi Hayata, Masahiko Kurachi, Kunihiro Ogura | 2011-07-12 |
| 6650555 | Switched-capacitor-type stabilized power circuit | Tomohiro Suzuki, Katsumi Inaba | 2003-11-18 |
| 6624619 | Stabilized power unit | Katsumi Inaba, Tomohiro Suzuki | 2003-09-23 |
| 6512532 | Thermal printhead, heating resistor used for the same, and process of making heating resistor | Teruhisa Sako | 2003-01-28 |
| 5514524 | Method of making thermal printhead | Hiroaki Ohnishi, Toshihiko Takakura | 1996-05-07 |
| 5166363 | Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivative or dianhydride thereof | Tohru Kikuchi, Koichi Kamijima, Takayuki Saito | 1992-11-24 |
| 5072027 | Process for producing methacrylic acid esters | Akihiro Kobayashi, Toshio Akima, Takayuki Saito | 1991-12-10 |
| 4986648 | Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate | Akihiro Kobayashi, Takayuki Saito, Hiromasa Kawai, Yutaka Hosoi, Hideaki Shibata | 1991-01-22 |