Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286417 | 1,4-diazocane compound or salt thereof | Kengo Sumi, Tomoyuki Koide, Osamu Kimata, Kazunao Masubuchi | 2025-04-29 |
| 9282230 | Automatic tracking camera system | — | 2016-03-08 |
| 9041814 | Automatic tracking camera system | — | 2015-05-26 |
| 8885863 | Loudspeaker device | Hiroyuki Naono | 2014-11-11 |
| 6341851 | Ink jet recording apparatus including a pressure chamber and pressure applying means | Ryoichi Takayama, Eiichiro Tanaka, Koji Ikeda, Osamu Kawasaki, Masayoshi Miura | 2002-01-29 |
| 5162820 | Electrophotographic image forming method | Hajime Yamamoto, Yukimasa Kuramoto, Masahiko Nakamura, Kenichi Nakano | 1992-11-10 |
| 5130722 | Ink jet recording method utilizing electrolysis to effect ink discharge | Hiroshi Onishi, Soichiro Mima | 1992-07-14 |
| 5079115 | Color electrophotographic method and apparatus | Hajime Yamamoto | 1992-01-07 |
| 5072242 | Ink jet recording apparatus utilizing electrolysis to effects ink discharge | Hiroshi Onhisi, Soichiro Mima | 1991-12-10 |
| 5040027 | Printing apparatus | Takahiko Nankou, Soichiro Mima, Hiroshi Onishi | 1991-08-13 |
| 5023632 | Electrophotographic image forming method | Hajime Yamamoto, Yukimasa Kuramoto, Masahiko Nakamura, Kenichi Nakano | 1991-06-11 |
| 4927724 | Method and apparatus for color electrophotography | Hajime Yamamoto, Kazunori Kitagaki, Masahiko Nakamura | 1990-05-22 |
| 4809038 | Color electrophotographic apparatus and method | Hajime Yamamoto | 1989-02-28 |
| 4791455 | Color electrophotographic apparatus and method of cleaning a photosensitive medium | Hajime Yamamoto, Hidenori Kunishige | 1988-12-13 |
| 4778740 | Color electrophotographic method and apparatus | Hajime Yamamoto | 1988-10-18 |
| 4766460 | Color electrophotographic method | Hajime Yamamoto | 1988-08-23 |
| 4613555 | Image forming method using electrically conductive, light transmissive particles | Hajime Yamamoto, Hiromu Matsuda, Keiichi Yubakami | 1986-09-23 |
| 4472490 | Image forming particles | Keiichi Yubakami | 1984-09-18 |
| 4456669 | Image forming process | Keiichi Yubakami, Wataru Shimotsuma | 1984-06-26 |
| 4359238 | Image-receiving sheet | Shigeru Tsubusaki | 1982-11-16 |
| 4294902 | Image formation method having translucent particles containing a coloring agent and a colorless dye former | Eisuke Ishida, Hisanori Nishiguchi, Kimiaki Yoshino | 1981-10-13 |
| 4284696 | Light transmission particle for forming color image | Eisuke Ishida, Hisanori Nishiguchi, Yoshihide Miyazawa, Katsuichi Motohashi | 1981-08-18 |
| 4262078 | Light transmitting particle for forming color image | Eisuke Ishida, Yoshihide Miyazawa, Katsuichi Motohashi, Michihiro Gonda | 1981-04-14 |
| 4238562 | Light transmission particle for forming color image | Eisuke Ishida, Hisanori Nishiguchi, Yoshihide Miyazawa, Shigeru Endo | 1980-12-09 |
| 4230784 | Electrostatic image forming process and particles comprising reactive sublimable dye, subliming developer and conductive substance | Hisanori Nishiguchi, Eisuke Ishida | 1980-10-28 |