Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9535364 | Image forming apparatus | — | 2017-01-03 |
| 8688017 | Image formation unit and image formation apparatus | Hidetaka Mitsunobu | 2014-04-01 |
| 8311433 | Image forming device including a cleaning member and a method of operating the same | — | 2012-11-13 |
| 8175469 | Image forming device with variable out-of-toner and low-toner display | — | 2012-05-08 |
| 8005381 | Image forming apparatus | — | 2011-08-23 |
| 7539429 | Image forming apparatus having a stable image density | — | 2009-05-26 |
| 6563138 | Low-cost, high-density light-emitting-diode array and fabrication method thereof | Mitsuhiko Ogihara, Kazuo Tokura, Yukio Nakamura, Masumi Taninaka | 2003-05-13 |
| 6559879 | LED array head, circuit board, and LED array chip | Yu Kobayashi, Norio Nakajima | 2003-05-06 |
| 6388696 | Led array, and led printer head | Masumi Taninaka, Mitsuhiko Ogihara, Hiroshi Hamano | 2002-05-14 |
| 6377292 | LED print head with reduced reflection of light leaking from edges of LED array chips | Norio Nakajima | 2002-04-23 |
| 6222208 | Light-emitting diode and light-emitting diode array | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 2001-04-24 |
| 6211537 | LED array | Mitsuhiko Ogihara, Masumi Taninaka, Hiroshi Hamano | 2001-04-03 |
| 6190935 | Low-cost, high-density light-emitting-diode array and fabrication method thereof | Mitsuhiko Ogihara, Kazuo Tokura, Yukio Nakamura, Masumi Taninaka | 2001-02-20 |
| 6180961 | Light emitting semiconductor device with stacked structure | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 2001-01-30 |
| 6163036 | Light emitting element module with a parallelogram-shaped chip and a staggered chip array | Masumi Taninaka, Mitsuhiko Ogihara | 2000-12-19 |
| 6136627 | High-resolution light-sensing and light-emitting diode array and fabrication method thereof | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 2000-10-24 |
| 6133588 | Light-emitting element array and fabrication method with separate light-emitting and current-conducting diffusion areas | Mitsuhiko Ogihara, Masumi Taninaka, Hiroshi Hamano | 2000-10-17 |
| 6063644 | Light-emitting element and array with etched surface, and fabrication method thereof | Mitsuhiko Ogihara, Masumi Taninaka, Hiroshi Hamano | 2000-05-16 |
| 6064418 | Led array, print head, and electrophotographic printer | Mitsuhiko Ogihara, Masumi Taninaka, Hiroshi Hamano | 2000-05-16 |
| 5997152 | Light emitting element module and printer head using the same | Masumi Taninaka, Mitsuhiko Ogihara | 1999-12-07 |
| 5972729 | Method of manufacturing light-receiving/emitting diode array chip | Mitsuhiko Ogihara, Masumi Taninaka, Hiroshi Hamano | 1999-10-26 |
| 5955747 | High-density light-emitting-diode array utilizing a plurality of isolation channels | Mitsuhiko Ogihara, Kazuo Tokura, Yukio Nakamura, Masumi Taninaka | 1999-09-21 |
| 5869221 | Method of fabricating an LED array | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 1999-02-09 |
| 5821567 | High-resolution light-sensing and light-emitting diode array | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 1998-10-13 |
| 5733689 | Led array fabrication process with improved unformity | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 1998-03-31 |