Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133588 | Light-emitting element array and fabrication method with separate light-emitting and current-conducting diffusion areas | Mitsuhiko Ogihara, Takatoku Shimizu, Hiroshi Hamano | 2000-10-17 |
| 6064418 | Led array, print head, and electrophotographic printer | Takatoku Shimizu, Mitsuhiko Ogihara, Hiroshi Hamano | 2000-05-16 |
| 6063644 | Light-emitting element and array with etched surface, and fabrication method thereof | Mitsuhiko Ogihara, Takatoku Shimizu, Hiroshi Hamano | 2000-05-16 |
| 6054726 | Light-emitting semiconductor device with planar structure | Mitsuhiko Ogihara, Yukio Nakamura, Hiroshi Hamano | 2000-04-25 |
| 6054724 | Light-emitting diode, light-emitting diode array | Mitsuhiko Ogihara, Yukio Nakamura, Hiroshi Hamano | 2000-04-25 |
| 5997152 | Light emitting element module and printer head using the same | Mitsuhiko Ogihara, Takatoku Shimizu | 1999-12-07 |
| 5972729 | Method of manufacturing light-receiving/emitting diode array chip | Takatoku Shimizu, Mitsuhiko Ogihara, Hiroshi Hamano | 1999-10-26 |
| 5955747 | High-density light-emitting-diode array utilizing a plurality of isolation channels | Mitsuhiko Ogihara, Kazuo Tokura, Yukio Nakamura, Takatoku Shimizu | 1999-09-21 |
| 5955748 | End face light emitting type light emitting diode | Yukio Nakamura, Mitsuhiko Ogihara, Takao Kusano, Masumi Koizumi, Hiroyuki Fujiwara +3 more | 1999-09-21 |
| 5917227 | Light-emitting-diode array and light-emitting-diode element | Mitsuhiko Ogihara, Yukio Nakamura, Hiroshi Hamano | 1999-06-29 |
| 5869221 | Method of fabricating an LED array | Mitsuhiko Ogihara, Yukio Nakamura, Takatoku Shimizu | 1999-02-09 |
| 5821567 | High-resolution light-sensing and light-emitting diode array | Mitsuhiko Ogihara, Yukio Nakamura, Takatoku Shimizu | 1998-10-13 |
| 5733689 | Led array fabrication process with improved unformity | Mitsuhiko Ogihara, Yukio Nakamura, Takatoku Shimizu | 1998-03-31 |
| 5700714 | Diffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrate | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Koizumi | 1997-12-23 |
| 5600157 | Light-emitting and light-sensing diode array device, and light-emitting and light-sensing diode with improved sensitivity | Ichimatsu Abiko, Yukio Nakamura, Katsuzo Kaminishi, Takatoku Shimizu, Kazuo Tokura +4 more | 1997-02-04 |
| 5530268 | Light-emitting diode array with anti-reflection coating providing reduced internal reflection | Mitsuhiko Ogihara, Yukio Nakamura, Takatoku Shimizu | 1996-06-25 |
| 5523590 | LED array with insulating films | Mitsuhiko Ogihara, Yukio Nakamura, Takatoku Shimizu | 1996-06-04 |