YH

Yoshiaki Hasegawa

Sumitomo Electric Industries: 26 patents #641 of 21,551Top 3%
PA Panasonic: 21 patents #931 of 21,108Top 5%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
HT Hitachi Communication Technologies: 2 patents #46 of 214Top 25%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #33,742 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
6720586 Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same Isao Kidoguchi, Akihiko Ishibashi, Ryoko Miyanaga, Gaku Sugahara, Masakatsu Suzuki +4 more 2004-04-13
6709881 Method for manufacturing semiconductor and method for manufacturing semiconductor device Gaku Sugahara, Ryoko Miyanaga 2004-03-23
6662204 Thread control system and method in a computer system Takeshi Watakabe 2003-12-09
6653662 Semiconductor light-emitting device, method for fabricating the same, and method for driving the same Nobuyuki Otsuka, Gaku Sugahara, Yasutoshi Kawaguchi 2003-11-25
6614059 Semiconductor light-emitting device with quantum well Ayumu Tsujimura, Akihiko Ishibashi, Isao Kidoguchi, Yuzaburo Ban, Masakatsu Suzuki 2003-09-02
6611005 Method for producing semiconductor and semiconductor laser device Ayumu Tsujimura, Akihiko Ishibashi, Isao Kidoguchi, Yuzaburo Ban 2003-08-26
6586774 Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device Akihiko Ishibashi, Ayumu Tsujimura, Nobuyuki Otsuka, Gaku Sugahara, Ryoko Miyanaga +4 more 2003-07-01
6562129 Formation method for semiconductor layer Ayumu Tsujimura, Isao Kidoguchi, Yuzaburo Ban 2003-05-13
6466597 Semiconductor laser device Masahiro Kume, Yuzaburo Ban, Kenji Harafuji, Isao Kidoguchi, Satoshi Kamiyama +3 more 2002-10-15
6434591 Thread control system and method in a computer system Takeshi Watakabe 2002-08-13
6324200 Semiconductor laser device Satoshi Kamiyama, Masahiro Kume, Ryoko Miyanaga, Isao Kidoguchi, Yuzaburo Ban +2 more 2001-11-27
6265287 Method for producing semiconductor layer for a semiconductor laser device Ayumu Tsujimura, Akihiko Ishibashi, Isao Kidoguchi, Yuzaburo Ban 2001-07-24
6137493 Multidimensional data management method, multidimensional data management apparatus and medium onto which is stored a multidimensional data management program Shuichi Kamimura, Mutsumi Fujihara, Kiyoshi Wada 2000-10-24
6072762 Optical disk recording/reproducing method and apparatus for preventing wave length shift during recording and reproducing operations Masahiro Kume, Yuzaburo Ban, Isao Kidoguchi, Satoshi Kamiyama, Ayumu Tsujimura +2 more 2000-06-06
6030849 Methods of manufacturing semiconductor, semiconductor device and semiconductor substrate Akihiko Ishibashi, Nobuyuki Uemura, Yuzaburo Ban, Masahiro Kume, Yoshihiro Hara +2 more 2000-02-29