Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369581 | Laser module and method of manufacture thereof | Teruhiko Kuramachi | 2008-05-06 |
| 7369586 | Laser module | Teruhiko Kuramachi, Kazuhiko Nagano | 2008-05-06 |
| 7339975 | Apparatus for synthesizing laser beams | Yoji Okazaki, Chiaki Goto, Shinichi Shimotsu | 2008-03-04 |
| 7301975 | Laser module | Teruhiko Kuramachi, Kazuhiko Nagano, Yoji Okazaki | 2007-11-27 |
| 7245804 | Laser device and exposure device using the same | Yuichi Teramura, Yoji Okazaki | 2007-07-17 |
| 7120177 | Laser element, method of producing the laser element, and a laser module employing the laser element | Teruhiko Kuramachi | 2006-10-10 |
| 7110425 | Laser module and production process thereof | Yoji Okazaki, Kazuhiko Nagano, Teruhiko Kuramachi | 2006-09-19 |
| 7101094 | Laser apparatus having protection member at light-emission end of multimode optical fiber | Kazuhiko Nagano, Yoji Okazaki, Teruhiko Kuramachi | 2006-09-05 |
| 7065117 | Semiconductor laser element having end-facet protection layer which includes unoxidized or unnitrided first sublayer formed on end facet and second sublayer produced by oxidizing or nitriding the surface of the first sublayer | — | 2006-06-20 |
| 6922288 | Laser multiplexing apparatus | Yoji Okazaki, Chiaki Goto | 2005-07-26 |
| 6888866 | Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereof | Toshiaki Kuniyasu, Toshiaki Fukunaga | 2005-05-03 |
| 6798805 | Semiconductor laser device containing controlled interface oxygen at both end facets | — | 2004-09-28 |
| 6678303 | Semiconductor laser device in which end of electric-to-optical conversion layer protrudes outward from shortest current path between end facets of cladding layers | — | 2004-01-13 |
| 6529537 | Semiconductor laser device having controlled oxygen concentration at boundary between semiconductor layers and reflectance control layer formed on end facet | — | 2003-03-04 |
| 6359921 | Semiconductor laser element having resonator surface coated with oxygen gettering layer and high thermal conductivity layer | — | 2002-03-19 |
| 5061562 | Method for preparing a magnetic recording medium and a magnetic disk using the same | Makoto Nagao, Yasuyuki Yamada, Kazuhiko Morita | 1991-10-29 |
| 5049448 | Magnetic recording medium containing an ester lubricant branched from the number 2 carbon position of the acid residue | Takao Ohya, Yasuo Nishikawa, Jun Nakagawa, Toshio Kawamata, Tsutomu Okita +2 more | 1991-09-17 |
| 4994321 | Perpendicular magnetic recording medium and the method for preparing the same | Makoto Nagao, Kunihiko Sano, Akira Nahara | 1991-02-19 |
| 4994305 | Method for producing magnetic recording medium | Makoto Nagao, Kazuhiko Morita | 1991-02-19 |
| 4869797 | Method for preparing a magnetic recording medium | Makoto Nagao, Kunihiko Sano, Akira Nahara | 1989-09-26 |
| 4867101 | Apparatus for producing magnetic recording medium | Makoto Nagao, Akira Nahara | 1989-09-19 |
| 4868070 | Vertical magnetization type recording medium and manufacturing method therefor | Makoto Nagao, Akira Nahara | 1989-09-19 |
| 4865878 | Method of manufacturing vertical magnetization type recording medium | Makoto Nagao, Akira Nahara | 1989-09-12 |
| 4717592 | Vertical magnetization type recording medium and manufacturing method therefor | Makoto Nagao, Kunihiko Sano, Akira Nahara | 1988-01-05 |