Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10625980 | Elevator device that transmits inspection data when inspection operation after earthquake is interrupted | Yutaka Matsueda, Akihiko Watanabe, Norihiro Chotoku, Masaki HIKICHI, Masafumi Etoh +1 more | 2020-04-21 |
| 10526167 | Restoration information registration device and restoration information registration method for elevators | Akihiko Watanabe, Norihiro Chotoku, Yutaka Matsueda, Masaki HIKICHI, Masafumi Eto +1 more | 2020-01-07 |
| 7264980 | Method of mounting light emitting element | Hiroshi Yoshida, Takashi Kobayashi | 2007-09-04 |
| 7078730 | Semiconductor light-emitting device and method of manufacturing the same and mounting plate | — | 2006-07-18 |
| 6998279 | Method of mounting light emitting element | Hiroshi Yoshida, Takashi Kobayashi | 2006-02-14 |
| 6853042 | Hybrid optical element and photodetector device | Hiroshi Yoshida, Tadashi Taniguchi | 2005-02-08 |
| 6777792 | Semiconductor device and package with high heat radiation effect | Hiroshi Yoshida, Tsuyoshi Tojo | 2004-08-17 |
| 6761303 | Semiconductor light-emitting device and method of manufacturing the same and mounting plate | — | 2004-07-13 |
| 6720581 | Mounting plate for a laser chip in a semiconductor laser device | — | 2004-04-13 |
| 6479325 | Method of stacking semiconductor laser devices in a sub-mount and heatsink | — | 2002-11-12 |
| 6479889 | Semiconductor device package, and fabrication method thereof | Hiroshi Yoshida, Tsuyoshi Tojo | 2002-11-12 |
| 6474531 | Semiconductor light-emitting device and method of manufacturing the same and mounting plate | — | 2002-11-05 |
| 6323059 | Method of fabricating a semiconductor device | Hiroshi Yoshida, Tsuyoshi Tojo | 2001-11-27 |
| 5515393 | Semiconductor laser with ZnMgSSe cladding layers | Hiroyuki Okuyama, Katsuhiro Akimoto, Takao Miyajima, Yuko Morinaga, Futoshi Hiei +2 more | 1996-05-07 |
| 5475237 | Light emitting device having first and second cladding layers with an active layer and carrier blocking layer therebetween | Fumiyo Narui | 1995-12-12 |
| 5471067 | Semiconductor metal contacting structure and a light emitting device | Masao Ikeda, Satoshi Ito, Yoshino Iochi, Takao Miyajima, Katsuhiro Akimoto +2 more | 1995-11-28 |
| 5423943 | Selective etching method, optoelectronic device and its fabricating method | Fumiyo Narui | 1995-06-13 |
| 5420446 | Optoelectronic semiconductor laser device having compound semiconductor first and second layers | Fumiyo Narui | 1995-05-30 |
| 5373175 | Ohmic electrode and a light emitting device | Satoshi Ito, Fumiyo Narui | 1994-12-13 |
| 5111469 | Semiconductor laser | Hironobu Narui, Hiroshi Yoshimatsu, Shoji Hirata, Yoshifumi Mori | 1992-05-05 |