Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158424 | Semiconductor memory device | Kiyoto Ohta, Tomonori Fujimoto | 2007-01-02 |
| 6570802 | Semiconductor memory device | Yuji Yamasaki, Tomonori Fujimoto | 2003-05-27 |
| 6285854 | Image recording apparatus | Shigeru Obata, Shuho Yokokawa, Isao Nakajima, Akitomo Kuwabara | 2001-09-04 |
| 6130408 | Recording apparatus with conveyed recording sheet heated by movable heater | Hiromitsu Fukuda, Chikara Hiraoka, Shuho Yokokawa, Isao Nakajima, Yoji Hirose +1 more | 2000-10-10 |
| 6104907 | Image recording apparatus which prevents variation in speed of a recording medium and reduces shift values thereof | Shigeru Obata, Shuho Yokokawa, Isao Nakajima, Akitomo Kuwabara | 2000-08-15 |
| 5961864 | Toner image heating device | Isao Nakajima, Akihiko Yamazaki, Akitomo Kuwabara, Yoji Hirose, Hiromitsu Fukuda | 1999-10-05 |
| 5801704 | Three-dimensional input device with displayed legend and shape-changing cursor | Shunichi Oohara, Masakazu Ejiri, Yasuhiro Nemoto, Naoki Sasaki, Shogo Matsumoto +2 more | 1998-09-01 |
| 5774777 | Continuous recording medium friction-conveying mechanism in image forming apparatus | Shigeru Obata, Junichi Matsuno, Yasuyuki Tsuji, Shuho Yokokawa, Isao Nakajima +2 more | 1998-06-30 |
| 4977415 | Electrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording head | Sayoko Oba, Katsumi Muroi, Kenji Okuna, Tsutomu Iimura, Ryoji Kojima +1 more | 1990-12-11 |
| 4777499 | Method and apparatus for image recording | Kenji Okuna, Sayoko Ohba, Takaomi Nishigaito, Katsumi Muroi, Tsutomu Iimura +1 more | 1988-10-11 |
| 4763143 | Electrographic recording apparatus | Sayoko Ohba, Kenji Okuna | 1988-08-09 |