RH

Ryoji Hiroyama

SC Sanyo Electric Co.: 26 patents #101 of 6,347Top 2%
NJ Nuvoton Technology Corporation Japan: 1 patents #117 of 222Top 55%
Overall (All Time): #129,783 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12142895 Semiconductor laser device Keishi Kouno, Shinji Yoshida, Katsuya Samonji, Masanori HIROKI 2024-11-12
8750343 Nitride-based semiconductor light-emitting device, nitride-based semiconductor laser device, nitride-based semiconductor light-emitting diode, method of manufacturing the same, and method of forming nitride-based semiconductor layer Yasuto Miyake, Yasumitsu Kuno, Yasuyuki Bessho, Masayuki Hata 2014-06-10
8445303 Method of manufacturing semiconductor device and semiconductor device Yasuto Miyake, Masayuki Hata 2013-05-21
8193016 Semiconductor laser device and method of manufacturing the same Daijiro Inoue, Yasuyuki Bessho, Masayuki Hata 2012-06-05
8134171 Method of manufacturing semiconductor device and semiconductor device Yasuto Miyake, Masayuki Hata 2012-03-13
8022427 Nitride-based semiconductor device and method of manufacturing the same Yasuto Miyake, Masayuki Hata, Yasumitsu Kuno 2011-09-20
8013344 Method of manufacturing semiconductor device and semiconductor device Yasuto Miyake, Masayuki Hata 2011-09-06
7978744 Nitride based semiconductor laser device with oxynitride protective films on facets Shingo Kameyama, Yasuhiko Nomura, Masayuki Hata 2011-07-12
7961768 Integrated semiconductor laser device and method of fabricating the same Hiroaki Izu, Tsutomu Yamaguchi, Hiroki Ohbo, Masayuki Hata, Kiyoshi Oota 2011-06-14
7924898 Nitride based semiconductor laser device with oxynitride protective coatings on facets Shingo Kameyama, Yasuhiko Nomura, Masayuki Hata 2011-04-12
7903709 Semiconductor laser device and method of manufacturing the same Daijiro Inoue, Yasuyuki Bessho, Masayuki Hata 2011-03-08
7892874 Nitride-based light-emitting device and method of manufacturing the same Tatsuya Kunisato, Masayuki Hata, Kiyoshi Oota 2011-02-22
7885304 Nitride-based semiconductor laser device and method of manufacturing the same Yasuto Miyake, Masayuki Hata, Yasumitsu Kuno 2011-02-08
7796669 Semiconductor laser diode Teruaki Miyake, Yuzuru Miyata 2010-09-14
7592630 Nitride-based light-emitting device and method of manufacturing the same Tatsuya Kunisato, Masayuki Hata, Kiyoshi Oota 2009-09-22
7512167 Integrated semiconductor laser device and method of fabricating the same Hiroaki Izu, Tsutomu Yamaguchi, Hiroki Ohbo, Masayuki Hata, Kiyoshi Oota 2009-03-31
7488613 Nitride-based light-emitting device and method of manufacturing the same Tatsuya Kunisato, Masayuki Hata, Kiyoshi Oota 2009-02-10
7260130 Semiconductor laser device and method of fabricating the same Kunio Takeuchi, Daijiro Inoue, Shigeyuki Okamoto, Noriaki Matsuoka, Shingo Kameyama +1 more 2007-08-21
7154123 Nitride-based semiconductor light-emitting device Tatsuya Kunisato, Masayuki Hata, Kiyoshi Oota 2006-12-26
6967985 Surface emission semiconductor laser device Koji Tominaga, Kazushi Mori, Atsushi Tajiri, Yasuhiko Nomura 2005-11-22
6778575 AlGaInP-based high-output red semiconductor laser device Daijiro Inoue, Yasuhiko Nomura, Kunio Takeuchi 2004-08-17
6771676 Semiconductor laser device and method of fabricating the same Kunio Takeuchi, Shigeyuki Okamoto, Yasuhiko Nomura, Daijiro Inoue 2004-08-03
6768755 Semiconductor laser device Daijiro Inoue, Kunio Takeuchi, Yasuhiko Nomura, Masayuki Hata 2004-07-27
6654397 Semiconductor laser device and manufacturing method thereof Kunio Takeuchi, Shigeyuki Okamoto, Koji Tominaga, Yasuhiko Nomura, Daijiro Inoue 2003-11-25
6044099 Semiconductor laser device Masayuki Shono, Kouji Komeda, Toyozo Nishida, Yasuyuki Bessho 2000-03-28